U.S. Navy Abbreviations of World War II

The text of this published glossary of abbreviations was prepared shortly after the close of World War II. It is presented here exactly as in the original, except that fifty-nine words which originally appeared in an addenda page have been integrated in the main text of the document.

GLOSSARY OF U.S. NAVAL ABBREVIATIONS
OPNAV 29-P1000
(Revised APRIL 1949)

FIFTH EDITION

Prepared by

OFFICE OF NAVAL RECORDS AND HISTORY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS NAVY DEPARTMENT * WASHINGTON, D.C.

APRIL 1949

For sale by the Supertintendent of Documents, United States Government Printing Office
WASHINGTON 25, D.C. -- Price 35 cents
Foreward
The roads around Pearl Harbor were alive in wartime with vehicles marked "AdComPhibsPac." The waters of Casco Bay were plowed by small boats bearing at their bows the mystic inscriptions, "DesLant" or "SOPA." In a single dim corridor of the Navy Department, "OIR" and "OR&I" indicated adjacent but quite distinct offices of "EXOS."

Altogether the Navy produced, officially or unofficially, thousands of such abbreviations during the war. A few, such as "SecNav," "CominCh," "CNO," "BuPers," and "J.g.," were well-known throughout the service. most of the rest, however, were thrown around in familiar fashion by those immediately concerned, but might be thoroughly mystifying to the rest of the Naval Establishment. it would be difficult to find a person who could even approach a perfect score in identifying "CAFAC," "JOSCO," and "OMPUS," to say nothing of "COLanForASCU," "LanCraBNAW," "NOBDUCHAR," and "PaCorNaLong," even while the war was in progress; as it grows more distant, those symbols will become even less familiar.

For the benefit of naval personnel, officials, and scholars who may have occasion to consult correspondence, reports and historical narratives in which such abbreviations occur, it has seemed desirable to prepare a glossary identifying the principal terms likely to be encountered in such documents. The need for such a glossary was indicated by the preparation of various partial lists during the war; none of these, however, covered more than a fraction of the whole.

The glossary includes most of the principal Navy, marine Corps and Coast Guard abbreviations in use from 1940 to the end of 1946. Four particular categories have been given in great detail: vessel types, naval aircraft types, commissioned and enlisted personnel designations, and Fleet Post Office numbers. The vessel types, while numerous, are clear cut. For aircraft, the nickname as well as the official designation is given, and the general meaning of the initials indicating function and manufacturer. The personnel designations were changed several times during the period, particularly for reserve officers; these are all included, with cross-referencing to avoid needless repetition. For purposes of security, the names of overseas stations and units were frequently omitted not only from envelope addresses but also from the contents; without the assistance of the list reproduced under "Navy Numbers," it would be difficult to identify the source of letters which simply had the printed headings "Naval District Headquarters, Navy No. 121, FPO New York" or "Naval Operating Base, Navy No. 1504, FPO San Francisco."

The general abbreviations fall into two major types. "Commander Philippine Sea Frontier," for instance, was sometimes contracted to "ComPhilSeaFron" and at other times to "CPSF." The former type was whimsically compared by one columnist to the practice of the Russians with their "Politburo" or "Amtogr." Such contractions are much easier to deduce than the more numerous combinations of initials which follow the British practice. Some abbreviations received an official blessing and were incorporated in aviation, communications, personnel or technical lists or manuals; others were often improvised and might vary with the individual taste of the abbreviator. "Service Squadron," for instance, appeared variously as "Seron," "Serron," "Serbon" and "Servron." Those four all appear in this glossary, but naturally it has been out of the question to include all variations.

Certain naval categories have been deliberately omitted, because of limited interest in comparison with the detail involved, or for reasons of security. One should consult pertinent bureau manuals, for instance, for the designations of their administrative subdivisions and their more specialized equipment. The long list of port markings for overseas freight shipments has likewise been left out, as have the designations of naval radio stations and plane-to-plane communication signals. The "code names" for particular operations, conferences and places will be issued shortly in a separate list.

Where the same abbreviation has more than one meaning, the several meanings have been arranged alphabetically. Abbreviations preceded by an asterisk (*), other than Navy numbers, may never be used singly; those preceded by the symbol for number (#) are the Bureau of Personnel Condensation Code for use in dispatch orders to personnel.

In addition to the Navy, Marine Corps and Coast Guard abbreviations, it has seemed expedient to include, without any such pretense of completeness, certain items from other sources which are likely to be encountered in naval documents. Numerous entries of that sort will be found included in the general alphabetically arrangement, particularly for the United States Army, certain other branches of the United States Government, and some foreign navies.

The glossary has been prepared in the Office of Naval History, under the supervision of the Historian for Naval Administration. it was begun by Lt. (j.g.) R. Donald Spencer, USNR, but the great bulk of the research and arrangement is the work of Lt. Comdr. Dorothy E. Richard, USN.

Any requests for information concerning this publication or the Naval Historical Program should be addressed to the Director of Naval Records and History, Office of the Chief of Naval Operations, Navy Department, Washington 25, D.C.

--- A ---

A -- Acting (following Navy Chief's rating); e.g., CAOMA (Chief Aviation Ordnanceman Acting)

A -- Air

A -- Allied Aviation Corporation (manufacturer's symbol)

A -- Amphibious plane (suffix to plane designation) as: PBY-6A

A -- Army

A -- Arresting Gear (suffix to plane designation) as: SOC-3A

A -- Asiatic

A -- Auxiliary

"A" -- 3-drum, express type (boiler)

A -- Brewster Aeronautical Corporation (manufacturer's symbol)

A -- Noorduyn Aviation, Ltd. (manufacturer's symbol)

A -- Plane built for Army Air Forces (suffix to plane designation) as: SBD-3A

A -- USNR officer designation for General Service, Aviation Non-flying. Formerly (A)

A1 -- USNR officer designation for General Service, Heavier than Air Pilot. Formerly A-VN and (A1)

A2 -- USNR officer designation for General Service, lighter than Air Pilot. Formerly (A2) and A-VN.

A2 -- Command Staff Intelligence Office (USMC)

A-2 -- Air Intelligence (War Department)

A3 -- USNR officer designation for General Service, Heavier than Air Pilot. Formerly (A3) and A-VG

A4 -- USNR officer designation for General Service, Lighter than Air Pilot. Formerly (A4) and A-VG

A5 -- USNR officer designation for General Service, Heavier than Air Pilot. Formerly (A5) and A-VT

A6 -- USNR officer designation for General Service, Lighter than Air Pilot. Formerly (A6) and A-VT

AA -- Acting Appointment

A/a -- Analysis of accounts

AA or A/A -- Anti-Aircraft

AA -- Arlington Annex (Navy Department)

AA -- Auxiliary Ships

AA-1 -- Normal Top Priority

AA-2 -- Next highest degree of priority

AA-3 -- Next highest degree of priority

AA-4 -- Next highest degree of priority

AAA -- Anti-Aircraft Artillery

AAA -- Emergency top priority rating for individual items of extreme urgency

AA&A -- Armor, Armament and Ammunition (cf. IRNV)

AAAIS -- Anti-Aircraft Artillery Intelligence Service (Army)

AAB -- Aircraft Accident Board

AA/B -- Anti-Aircraft Balloon

AAC -- Anti-Aircraft Common

AACS -- Army Airways Communications System

AAE -- Army Aviation Engineers

AAF -- Army Air Forces

AAFIS -- Army Air Forces Intelligence School

AAFMTO -- Army Air Force headquarters, Mediterranean Theater of Operations

AAFPOA -- Army Air Forces, Pacific ocean Areas

AAFPOAAdmin -- Army Air Forces, pacific Ocean Areas (Administrative)

AAHA -- Awaiting Action of Higher Authority

AAHQ -- Allied Air Headquarters

AAI -- Allied Armies in Italy

AAIC -- Allied Air Intelligence Center

AAMG -- Anti-Aircraft Machine Gun

AAPIU -- Allied Aerial Photographic Interpretation Unit

AAQM -- Acting Assistance Quartermaster (USMC)

AAR -- Aircraft Accident Record

AATB -- Advanced Amphibious Training Base

AATC -- Anti-Aircraft Training Center

AATraCen -- Anti-Aircraft Training Center

AAT&TC -- Anti-Aircraft Training & Test Center

AB -- Aerial burst bombs

AB or A/B -- Air Base

ABOne -- Air Bases Command, 1st Naval District

AB -- Air Bomber

AB or A/B -- Airborne

AB -- Archivist

AB -- Artist

AB -- Ballistic and Test Firing Expert

AB -- Crane Ship

ABATU -- Advanced Base Aviation Training Unit

ABC -- American, British, Canadian Plans

ABC-1 -- Report of the Combined British, Canadian and United States Staff Conversations

ABCA -- Army Bureau of Current Affairs (GB)

ABCCTC -- Advanced Base Combat Communication Training Center (Pearl Harbor)

ABCD -- Advanced Base Construction Depot

ABD -- Admiralty Berthing Officer

ABD -- Advanced Base Depot

ABD -- Advanced Base Dock

ABDA -- American-British-Dutch-Australian Command (1942)

ABDACOM -- Advanced Base Depot Area Command

ABDACOM -- American-British-Dutch-Australian Supreme Command (1942)

ABDAFLOAT -- American-British-Dutch-Australian Naval Operational Command (1942)

ABDAIR -- American-British-Dutch-Australian Air Operational Command (1942)

ABDARM -- American-British-Dutch-Australian Army Operational Command (1942)

ABF -- Aircraft Battle Force

ABG -- Air Base Group

Able -- "A" in the phonetic alphabet

Able -- Term used by shorebased ADCC'S for "experimental" or "calibration"

ABM -- Aviation Boatswain's Mate

ABMAG -- Aviation Boatswain's Mate, Arresting Gear and Barriers

ABMCP -- Aviation Boatswain's Mate, Catapult

ABMGA -- Aviation Boatswain's Mate, Gasoline System

ABMPH -- Aviation Boatswain's Mate, Plane Handler

ABQ -- Admiralty Berthing Officer (GB)

A-bomb -- Atom bomb

ABP -- Auxiliary Barracks Ship

ABPA -- Advanced Base Personnel Administration

ABPG -- Advanced Base Proving Ground

ABPO -- Advanced Base Personnel Officer

ABPU -- Advanced Base Personnel Unit

ABR -- Amphibian Boat Reconnaissance Aircraft

ABRB -- Advanced Base Receiving Barracks

ABRD -- Advanced Base Repair Depot

ABRD -- Advanced Base Reshipment Depot

ABSD -- Advanced Base Sectional Dock

ABSD -- Advanced Base Supply Depot

ABTF -- Airborne Task Force

ABTU -- Advanced Base Torpedo Unit

ABTU -- Advanced Base Training Unit

ABTU -- Air Bombers Training Unit

A/c -- Accounts

AC (number) -- Admiral Commanding (number) Aircraft Carrier Squadron

AC -- Air Corps

A/C -- Aircraft

A-C -- Allis Chalmers (ship engines)

AC -- Alternating Current

AC -- Amphibious Corps

AC -- Collier

AC -- Symbol for hydrocyanic acid

ACA -- American Communication Association

ACA -- Physically on board awaiting cobat assignment

ACAC -- Allied Container Advisory Committee

ACAF -- Amphibious Corps, Atlantic Fleet

ACAS(1) -- Assistant Chief of Staff, War Department (US) (Intelligence)

ACBMAG -- Aviation Chief Boatswain's Mate, Arresting Gear and Barriers

ACBMCP -- Aviation Chief Boatswain's Mate, Catapult

ACBMGA -- Aviation Chief Boatswain's Mate, Gasoline System

ACBMPH -- Aviation Chief Boatswain's Mate, Plane Handler

ACC -- Air Center Commander

ACC -- Allied Control Commission (Italy)

ACD -- Admiralty Chart Depot (GB)

#ACDU -- Active Duty

ACEM -- Aciation Chief Electrician's Mate

ACEORP -- Automotive and Construction Equipment Overhaul and Repair Plant

ACEPD -- Automotive and Construction Equipment Part Depot

ACFC -- Aviation Chief Fire Controlman

ACG -- Airborne Coordinating Group

ACGM -- Aircraft Carrier General memorandum

ACI -- Air Combat Intelligence

ACIC -- Allied Captured Intelligence Center (US & GB)

ACIC -- Auxiliary Combat Information Center

#ACINS -- Active duty under instruction

ACIO -- Air Combat Intelligence Office(r)

ACK -- Acknowledge

ACk -- Assistant Cook

ACM -- Auxiliary Mine Layer

ACM -- Aviation Chief Metalsmith

ACMF -- Air Corps Medical Forces

ACMF -- Allied Central Mediterranean Forces

ACMM -- Aviation Chief Machinist's Mate

ACMMC -- Aviation Chief Machinist's Mate, Carburetor Mechanic

ACMMF -- Aviation Chief Machinist's Mate, Flight Engineer

ACMMH -- Aviation Chief Machinist's Mate, Hydraulic Mechanic

ACMMI -- Aviation Chief Machinist's Mate, Instrument Mechanic

ACMMP -- Aviation Chief Machinist's Mate, Propellor Mechanic

ACMMT -- Aviation Chief Machinist's Mate, Gas Turbine Mechanic

ACNB -- Australian Commonwealth Naval Board

ACNO -- Assistant Chief of Naval Operations

ACNO(T) -- Assistant Chief of Naval Operations (Transportation)

ACofS -- Assistant Chief of Staff (Army)

ACOM -- Aviation Chief Ordnanceman

ACOMT -- Aviation Chief Ordnanceman, Turret Mechanic

Acorn -- An airfield assembly designed to construct, operate and maintain an advanced landplane and seaplane base and provide facilities for operations

ACP -- Admiralty Civil Police (GB)

ACPF -- Amphibious Corps, Pacific Fleet (USMC)

ACR -- Aircraft Control Room

ACRM -- Aviation Chief Radioman

ACRT -- Aviation Chief Radio Technician

ACS -- Alaskan Communications System

ACSEA -- Air Command, Southeast Asia

*ACT -- Acting

ACT -- Action

ACT -- Aviation Classification Test

ACTG -- Advance Carrier Training Group

ACT/IC -- Active-In Commission (vessel status)

ACT/IS -- Active-In Service (vessel status)

ACT/OC -- Active-Out of Commission (vessel status)

ACT/OS -- Active-Out of Service (vessel status)

ACTPC -- Acting Pay Clerk

ACTREP -- Activities Report (shipping)

ActSecNav -- Acting Secretary of the Navy

ACTY -- Activity

ACV -- Aircraft Carrier, Escort (GB)

ACV -- Auxiliary Aircraft Carrier or Tender

AD -- Active Duty

AD -- Air Depot

A/D -- Airdrome

AD -- Destroyer Tender

AD -- USNR officer designation. See A and D. Formerly (AD).

A1D -- USNR officer designation. Same as A1, plus qualified in deck duties. Formerly (A1D).

A2D -- USNR officer designation. Same as A2 and D. Formerly (A2D).

A3D -- USNR officer designation. Same as A3 and D. Formerly (A3D).

A4D -- USNR officer designation. Same as A4 and D. Formerly (A4D).

A5D -- USNR officer designation. Same as A6t plus qualified in deck duties. Formerly (A5D).

A6D -- USNR officer designation. A6 plus qualified in deck duties. Formerly (A6D).

A-Day -- Day on which atom bomb was tested at Bikini (Operation Crossroads), 1 July 1946

ADC -- Aide-de-camp (Army)

#ADCASHAL -- Advance men cash allowance for quarters and subsistence in accordance with current Bureau of Naval personnel Circular Letter

ADCC -- Air Defense Control Center

AdCom or AdComd -- Administrative Command

AdCominPac -- Administrative Command, Minecraft, Pacific Fleet

AdComPhibsPac -- Administrative Command, Amphibious Forces, Pacific Fleet

AdComSubordComPhibsPac -- Administrative Command, Amphibious Forces, Pacific Fleet, Subordinate Command

ADCON -- Advise all concerned

ADDL -- Aircraft Dummy Deck Landing

ADEE -- Addressee

AdIntelCen -- Advanced Intelligence Center

Adj -- Adjutant (Army)

ADLS -- Air Dispatch Letter Service

Adm -- Administrative

Adm -- Admiral

ADMIN -- Administration, Administrative

ADMLTY -- Admiralty (GB)

AdmO -- Administrative Officer (Army)

AdmO -- Administrative Order (Army)

ADN -- USNR officer designation. See A, D and N. Formerly (AD)-N.

A1DN -- USNR officer designation. See A1D and N. Formerly (A1D)-N.

A2DN -- USNR officer designation. See A2D and N. Formerly (A2D)-N.

A3DN -- USNR officer designation. See A3D and N. Formerly (A3D)-N.

A4DN -- USNR officer designation. See A4D and N. Formerly (A4D)-N.

A5DN -- USNR officer designation. See A5D and N. Formerly (A5D)-N.

A6DN -- USNR officer designation. See A6D and N. Formerly (A6D)-N.

ADP -- Air Defense Position

ADR -- Aircraft Direction Room

ADR -- USNR officer designation. See A, D and R. Formerly (AD)-R.

A1DR -- USNR officer designation. See A1D and R. Formerly (A1D)-R.

A2DR -- USNR officer designation. See A2D and R. Formerly (A2D)-R.

A3DR -- USNR officer designation. See A3D and R. Formerly (A3D)-R.

A4DR -- USNR officer designation. See A4D and R. Formerly (A4D)-R.

A5DR -- USNR officer designation. See A5D and R. Formerly (A5D)-R.

A6DR -- USNR officer designation. See A6D and R. Formerly (A6D)-R.

ADRDE -- Air Defense Research and Development Establishment

ADroBn -- Airdrome Battalion

ADT -- USNR officer designation. See A, D and T. Formerly (AD)-T.

A1DT -- USNR officer designation. See A1D and T. Formerly (A1D)-T.

A2DT -- USNR officer designation. See A2D and T. Formerly (A2D)-T.

A3DT -- USNR officer designation. See A3D and T. Formerly (A3D)-T.

A4DT -- USNR officer designation. See A4D and T. Formerly (A4D)-T.

A5DT -- USNR officer designation. See A5D and T. Formerly (A5D)-T.

A6DT -- USNR officer designation. See A6D and T. Formerly (A6D)-T.

*ADU -- Aircraft Delivery Unit

*ADV -- Advance(d)

AdvHed -- Advanced Headquarters

AdvIntelCen -- Advanced Intelligence Center

Advon -- Advanced Echelon (USMC)

ADX -- USNR officer designation. See A, D and X. Formerly (AD)-X.

A1DX -- USNR officer designation. See A1D and X. Formerly (A1D)-X.

A2DX -- USNR officer designation. See A2D and X. Formerly (A2D)-X.

A3DX -- USNR officer designation. See A3D and X. Formerly (A3D)-X.

A4DX -- USNR officer designation. See A4D and X. Formerly (A4D)-X.

A5DX -- USNR officer designation. See A5D and X. Formerly (A5D)-X.

A6DX -- USNR officer designation. See A6D and X. Formerly (A6D)-X.

AE -- Ammunition Ship

AEAF -- Allied Expeditionary Air Force

AEDO -- USN officer designation; Aviation Engineering Duty

AEF -- American Expeditionary Forces (Army)

AE-# -- "Grasshopper"; single-engine Navy Utility plane (VJ), manufactured by Piper

AEI -- Acrylic Eye Illustrator (Medical)

AEL -- Aeronautical Engine Laboratory

AEM -- Aviation Electrician's Mate

AEngrServ -- Army Engineer Service

AEO -- Air Engineer Officer

AEOB -- Advanced Engine Overhaul Base

AER -- Aerographer

*AER -- Aeronautics

AERM -- Aerographher's Mate

AERO -- Aerographer

Aero -- Aerological

AerOf -- Aerological Officer

AEROG -- Aerologist

AETAC -- Aviation Electronic Technician's Mate, Combat Aircrewman

AETM -- Aviation Electronic Technician's Mate

AEW -- Airborne Early Warning (Radar)

AEWTU -- Airborne Early Warning Training Unit

AExServ -- Army Exchange Service

AF -- Air Force

AF -- Army Force

AF -- Asiatic Fleet

AF -- Audio Frequency

AF -- Automatic Following (radar)

AF -- Provision Storeship

AFAF -- Amphibious Force Atlantic Fleet

AFC -- Aviation Fire Controlman

AFCE -- Automatic Flight Control Equipment

AFD -- Mobile Floating Drydock

AFDB -- Auxiliary Floating Drydock, Big

AFDL -- Auxiliary Floating Drydock, Little

AFDL(C) -- Auxiliary Floating Drydock, Little, Concrete

AFDM -- Auxiliary Floating Drydock, Medium

AFDO -- Assistant Fighter Director Office

AFDS -- Auxiliary Fighter Director Ship

AF(F)MMIU -- Amphibious Forces Ordnance Material mobile Instruction Unit

AFGIS -- Aerial Free Gunnery Instruction School(s)

AFGU -- Aerial Free Gunnery Unit

AFHQ -- African Force Headquarters

AFHQ -- Allied Force Headquarters (US & GB)

AFHQ(CIC) -- Allied Force Headquarters (Counter Intelligence Corps)

AFHQPS -- Allied Force Headquarters Petroleum Section

AFI -- Armed Forces Institute (US)

AFL -- American Federation of Labor

AFMFP -- Aircraft Fleet Marine Force Pacific

AFO -- Admiralty Fleet Order (GB)

AFO -- Atlantic Fleet Organization

AFRS -- Armed Forces Radio Service

AFSU -- Auxiliary Ferry Service Unit

AFSub -- Army Air Forces Anti-Submarine Command

AFSWA -- Assistant Secretary of War for Air

AFV -- Armored Fighting Vehicle (USMC)

AFWesPac -- U.S. Army Forces, Western Pacific

AG -- Adjutant General (Army)

AG -- Air Group

AG -- Armed Guard

AG -- Arresting Gear and Barriers

AG -- Miscellaneous Auxiliary (ship)

AGas -- Aviation Gasoline

AGC -- Armed Guard Center

AGC -- General Communications Vessel (1943); Amphibious Force Flagship equipped with special communication facilities (1945)

AGCTS -- Armed Guard Center Training School

AGD -- Adjutant General's Department (Army)

AGD -- Seagoing Dredge

AGE -- Admiralty Gunnery Establishment

AGF -- Army Ground Forces

AGFRTS -- Air and Ground Forces Resources and Technical Staff (Army)

AGIO -- Armed Guard Inspection Officer

AGIS -- Armed Guard Inspection Service

AGL -- Lighthouse Tender

AGLO -- Air Ground Liaison Officer (USMC)

AGN -- Articles for the Government of the Navy

AGO -- Adjutant General's Office (Army)

AGO -- Air Gunnery Officer

AGOS -- Aviation Gunnery Officers School

AGP -- Motor Torpedo Boat Tender

AGS -- Allied Geographic Section (SWPac)

AGS -- Armed Guard School(s)

AGS -- Surveying Ship

AGSc -- Surveying Ship (Coastal)

AGWAR -- Adjutant General, War Department

AH -- Hospital Ship

AHQ -- Air Headquarters

AHQ -- Army Headquarters

AI -- Airborne Intercept Radar

AI -- Air Intelligence (Royal Air Force)

A&I -- Alteration and Improvement Program

AIC -- Advanced Intelligence Center

AIC -- Allied Intelligence Committee (London)

AIC -- Army Industrial College

AICO -- Action Information Control Officer

AICPOA -- Advanced Intelligence Center, Pacific Ocean Areas

AIF -- Air Intelligence Force

AIF -- Amphibian Imperial Forces

AIFS -- Advanced Instruction Flying School

AIG -- Address Indicating Group (GB)

AIL -- Aviation Instrument Laboratory

AINO -- Assistant Inspector of Naval Ordnance

AIntSec -- Air Intelligence Section (Army)

AIO -- Action Information Organization

AIO -- Allied Interrogating Organization (US & GB)

*AIR -- Aircraft

AirAF -- Aircraft, Asiatic Fleet

AirArmUnit -- Aircraft, Armament Unit

AirASDevLant -- Aircraft Anti-Submarine Development Detachment, Atlantic Fleet

*AIRB -- Airborne

AirBaseCom -- Air Base Commander

AirBatForPac -- Aircraft Battle Force, Pacific Fleet

AirDefCom -- Air Defense Commander

AirElO -- Air Electrical Officer

AirEngPropAccOverhaul -- Airplane Engine, Propellor and Accessory Overhaul

AirEO -- Air Engineer Officer

AirEvacWing -- Air Evacuation Wing

AirFerons -- Naval Air Ferry Squadrons

AirFMFPac -- Aircraft, Fleet Marine Force, Pacific

AirForward -- Shore-based Air Force, Forward Area, Central Pacific

AirGrp -- Air Group

AirIS -- Air Store Issuing Ship

AirLant -- Air Forces, Atlantic Fleet

AirMG -- Aircraft, machine Gunner

AirNorSols -- Aircraft, Northern Solomons

AirOps -- Air Operations

AirPac -- Air Forces, Pacific Fleet

AirPac(Adv) -- Air Forces Pacific Advanced (later ComFairWesPac)

AirPac(Pearl) -- Air Forces Pacific, Pearl Harbor

AirPacSubComFord -- Air Forces Subordinate Command, Forward Area

AirScoForPac -- Aircraft Scouting Force, Pacific Fleet

AirshipGr -- Airship Group

AirshipRon -- Airship Squadron

AirSoPac -- Aircraft, South Pacific Force

AirSoWesPac -- Aircraft, Southwest Pacific Force

AirTrainRon -- Air Training Squadron

AirTransRon -- Air Transport Squadron

AirTransRonLant -- Air Transport Squadrons, Atlantic

AirTransRonPac -- Air Transport Squadron, Pacific

AirTransRonWestCoast -- Air Transport Squadron, West Coast

AIS -- Air Intelligence Service

AITC -- Action Information Training Center

A/J -- Anti-Jamming (radar)

AK -- Cargo Ship, auxiliary (cargo ship of any type operated by the Navy)

AKA -- Cargo Ship, Attack

AKD -- Deep Hold Cargo Ship

AKF -- Refrigerated Cargo Ship (1943)

AKN -- Net Cargo Ship

AKS -- General Stores Issue Ship

AKV -- Cargo Ship and Aircraft Ferry

AL or A/L -- Air Liaison

AL -- Alameda, California

*AL -- Alaska

AL -- Lightship

AL -- USNR officer designation. Limited General Service, Aviation non-flying Duties. Formerly (A)L.

A1L -- USNR officer designation. Limited General Service, Heavier than Air Pilot. Formerly A-VN.

A2L -- USNR officer designation. Limited General Service, Lighter than Air Pilot. Formerly (A2)L and A-VN.

A3L -- USNR officer designation. Limited General Service, Heavier than Air Pilot. Formerly (A3)L and A-VG.

A4L -- USNR officer designation. Limited General Service, Lighter than Air Pilot. Formerly (A4)L and A-VG.

A5L -- USNR officer designation. Limited General Service, Lighter than Air Pilot. Formerly (A5)L and A-VT.

A6L -- USNR officer designation. Limited General Service, Lighter than Air Pilot. Formerly (A6)L and A-VT.

ALA -- Alabama

ALAMCABCO -- All American Cable Company

*ALAS -- Alaska

AlaskanDept -- Commanding General, Alaskan Department

AlBus -- All Bureaus

Alco -- American Locomotive Company

AlCom -- A dispatch to all commands in an area

ALLOW -- Allowance(s)

ALN -- USNR officer designation. Se AL and N. Formerly (A)L-N.

A1LN -- USNR officer designation. Se A1L and N. Formerly (A1)L-N.

A2LN -- USNR officer designation. Se A2L and N. Formerly (A2)L-N.

A3LN -- USNR officer designation. Se A3L and N. Formerly (A3)L-N.

A4LN -- USNR officer designation. Se A4L and N. Formerly (A4)L-N.

A5LN -- USNR officer designation. Se A5L and N. Formerly (A5)L-N.

A6LN -- USNR officer designation. Se A6L and N. Formerly (A6)L-N.

AlNav -- Communication directed to all Navy and Marine Corps activities

AlNavSta -- Letter to all Naval Stations

ALO -- Air Liaison Officer (USMC)

ALO -- Allied Liaison Office

ALO -- American Liaison Office

ALO -- Army Liaison Officer

ALOS -- Mission of Army G-2 to investigate German scientific development

ALOT -- Allotment

ALP -- Air Liaison Party

A1Pac -- A dispatch to all commands and personnel in the Pacific Ocean Areas

A1Pac -- A dispatch to all Army, Navy and Marine Commands in the Pacific Ocean Areas

ALR -- USNR officer designation. See AL and R. Formerly (A)L-R.

A1LR -- USNR officer designation. See A1L and R. Formerly (A1)L-R.

A2LR -- USNR officer designation. See A2L and R. Formerly (A2)L-R.

A3LR -- USNR officer designation. See A3L and R. Formerly (A3)L-R.

A4LR -- USNR officer designation. See A4L and R. Formerly (A4)L-R.

A5LR -- USNR officer designation. See A5L and R. Formerly (A5)L-R.

AlSeaFron -- Alaskan Sea Frontier

AlSec -- Alaskan Sector

AlStaCon -- Letter to All Stations, Continental United States

*ALT -- Alternations

Alt -- Alternating

ALT -- Altitude

ALT -- USNR officer designation. See A1 and T. Formerly (A)L-T.

A1LT -- USNR officer designation. See A1L and T. Formerly (A1)L-T.

A2LT -- USNR officer designation. See A2L and T. Formerly (A2)L-T.

A3LT -- USNR officer designation. See A3L and T. Formerly (A3)L-T.

A4LT -- USNR officer designation. See A4L and T. Formerly (A4)L-T.

A5LT -- USNR officer designation. See A5L and T. Formerly (A5)L-T.

A6LT -- USNR officer designation. See A6L and T. Formerly (A6)L-T.

Alt F Fl -- Alternating Fixed and Flashing

Alt F Gp Fl -- Alternating Fixed and Group Flashing

Alt Fl -- Alternating Flashing

Alt Gp Occ -- Alternating Group Occulting

Alt Occ -- Alternating Occulting

ALUSLO -- U.S. Naval Liaison Officer

ALUSNA -- U.S. Naval Attach&ecaute;

ALUSNOB -- U.S. Naval Observer

*ALUTS -- Aleutian Islands

ALX -- USNR officer designation. See AL and X. Formerly (A)L-X.

A1LX -- USNR officer designation. See A1L and X. Formerly (A1)L-X.

A2LX -- USNR officer designation. See A2L and X. Formerly (A2)L-X.

A3LX -- USNR officer designation. See A3L and X. Formerly (A3)L-X.

A4LX -- USNR officer designation. See A4L and X. Formerly (A4)L-X.

A5LX -- USNR officer designation. See A5L and X. Formerly (A5)L-X.

A6LX -- USNR officer designation. See A6L and X. Formerly (A6)L-X.

*AM -- American

AM -- Amplitude Modulation

AM -- Antemeridian

AM -- Aviation Metalsmith

AM -- Mine Sweeper

AMb -- Mine Sweeper, Harbor

AMC -- Air Mail Center

AMC -- American Maritime Cases

AMC -- Armed Merchant Cruiser (GB)

AMC -- Army Medical Center

AMc -- Mine Sweeper, Coastal

AmCon -- American Consul

AmConRepO -- American Consular Reporting Officer

AMCROSS -- American Red Cross

Amc (U) -- Coastal Mine Sweeper (underwater location)

AMDI -- Admiralty Merchan Ship Defense Instructions

AMG -- Aircraft Machine Gunner

AMG -- Allied Military Government

*AMGM -- Airmailgram

AML -- Aeronautical Materials Laboratory

AML -- Allied Military Liaison (Balkans)

AMM -- Aviation Machinist's Mate

AMMAC -- Aviation Machinist's Mate, Combat Aircrewman

AMMC -- Aviation Machinist's mate, Carburetor Mechanic

AMMF -- Aviation Machinist's Mate, Flight Engineer

AMMH -- Aviation Machinist's Mate, Hydraulic Mechanic

AMMI -- Aviation Machinist's Mate, Instrument Mechanic

AMMO -- Ammunition

AMMP -- Aviation Machinist's Mate, Propellor Mechanic

AMMT -- Aviation machinist's Mate, Turret Mechanic

AMO -- Aircraft Material Officer

AMPH -- Amphibious, Amphibian

AmphForLant -- Amphibious Force, Atlantic

AmphForMed -- Amphibious Force, Mediterranean

AmphForPac -- Amphibious Force, Pacific

Amphib -- Amphibious

AmphibFor -- Amphibious Forces

AmphibForCenPac -- Amphibious Forces, Central Pacific

Amphs -- Amphibious

*AMPS -- Amperes

AMS -- Army Map Service

AMS -- Minesweeper, High Speed

AMSC -- Allied Military Staff Conference (Quebec, Yalta, etc.)

AMSI -- Admiralty merchant Shipping Instructions

AMSI -- Atlantic Merchant Shipping Instructions

Amt -- Amount

Amtrack -- LVT (Landing Vehicle Tracked)

AMUN -- Ammunition

AMVETS -- American Vewterans of World War II

AN -- Annapolis, Maryland

AN -- Army-Navy Joint Type Ordnance

AN -- Net Laying Ship

AN -- USNR officer designation. See A and N. Forermly (A)-N.

A1N -- USNR officer designation. See A1 and N. Forermly (A1)-N.

A2N -- USNR officer designation. See A2 and N. Forermly (A2)-N.

A3N -- USNR officer designation. See A3 and N. Forermly (A3)-N.

A4N -- USNR officer designation. See A4 and N. Forermly (A4)-N.

A5N -- USNR officer designation. See A5 and N. Forermly (A5)-N.

A6N -- USNR officer designation. See A6 and N. Forermly (A6)-N.

AN/ARC-1 -- A radio transceiver

ANC -- Army Nurse Corps

ANDUS -- Anglo-Dutch-United States

ANGAU -- Australia-New Guinea Administrative Unit

"Angels" -- Radar countermeasures; now called "Kites"

ANJSB -- Army-Navy Joint Specifications Board

ANMB -- Army-Navy Munitions Board

ANMC -- Assistant Navy Mail Clerk

AnnRept -- Annual Report

ANPB -- Army-Navy Petroleum Baord

ANPPPC -- Army-Navy Petroleum Pool, Pacific Coast

ANSCOL -- Army-Navy Staff College

ANSIA -- Army-Navy Shipping Information Agency

ANSO -- Assistant Naval Stores Officer

ANTS -- Advanced Naval Traiing School

ANTU -- Air Navigation Training Unit

ANZAC -- Australian-New Zealand Army Corps

AO -- Administration Officer

AO -- Oiler, or Fuel Oil Tanker

AOACB -- Aviation Ordnanceman, Combat Aircrewman, Air Bomber

AOB -- Advanced Operational Base

AOC -- Air Officer Commanding (USMC)

AOC -- Aviation Officer Candidate

AOG -- Aircraft on Ground

AOG -- Gasoline Tanker

AOil -- Aviation Oil

AOL -- Absent over leave

AOM -- Aviation Ordnanceman

AOMAC -- Aviation Ordnanceman, Combat Aircrewman

AOMB -- Aviation Ordnanceman, Bombsight Mechanic

AOMT -- Aivation Ordnanceman, Turret Mechanic

AOND -- Administrative Officer, Navy Department

AOO -- Aviation Ordnance Officer

AOQ -- Aviation Officers' Quarters

AOR -- Air Operations Room

AOTC -- Aviation Officers Training Corps

A/P -- Airplane

AP -- Air Publication

AP -- Armor Piercing

AP -- Aviation Pilot

AP -- Transport (operated by teh Navy)

APA -- Appropriation Purchases Account

APA -- Transport, Attack

APB -- Barracks, Ship, self-propelled

APC -- Acetylsalicylic Acid, Acetophenetidin, Caffeine compound ("all purpose capsules")

APc -- Coastal Transport (small)

APCCLA -- Aviation Petroleum Coordinating Committee, Latin American

APD -- Transport (high speed)

APEL -- Aeronautical Photographic Experimental Laboratory

APF -- Administration Flagship

APG -- Supporting Gunnery Ship

APH -- Transport for wounded

APL -- Labor Transport or Barrack Ship (non self-propelled)

APLA -- Aviation Pilot, Airship

APM -- Assistant Paymaster (USMC)

APM -- Mechanized Artillery Transport

APN -- Non-Mechanized Artillery Transport

APO -- Area Petroleum Office(r)

APO -- Army Post Office

APP -- Troop Barge, Class A

APPAC -- Aviation Petroleum Products Allocation Committee

APPAC-L -- Aviation Petroleum Products Allocation Committee, London

APPN -- Appropriation

APR -- Rescue Transport

*APPROX -- Approximate

APR/SPR -- Shipboard Radar Receiver

APS -- Army Postal Service

APS -- Transport, Submarine

AP & SC Honolulu -- Army Port and Service Command, Honolulu

APT -- Armor Piercing Traced

APT -- Troop Barge, Class B

APU -- Army Postal Unit

APUC -- Area Production Urgency Committee

APV -- Transport and Aircraft Ferry

AR -- Airship Rigger

AR -- Allocated Reserve

AR -- Amphibian Reconnaissance

*AR -- Area

AR -- Argentia, Newfoundland

AR -- Army Regulations

A&R -- Assembly and Repair

AR -- Repair Ship

AR -- USNR officer designation. See A and R. Formerly (A)-R.

A1R -- USNR officer designation. See A1 and R. Formerly (A1)-R.

A2R -- USNR officer designation. See A2 and R. Formerly (A2)-R.

A3R -- USNR officer designation. See A3 and R. Formerly (A3)-R.

A4R -- USNR officer designation. See A4 and R. Formerly (A4)-R.

A5R -- USNR officer designation. See A5 and R. Formerly (A5)-R.

A6R -- USNR officer designation. See A6 and R. Formerly (A6)-R.

ARB -- Repair Ship, Battle Damage

ARC -- Cable Repairing or Laying Ship

ARCO -- Aircraft Resources Control Office

ARD -- Auxiliary Repair Dock (Floating Drydock)

ARDC -- Auxiliary Repair Dock, Concrete

ARG -- Repair Ship, Internal Combustion Engine

ARG -- Admiralty Regional Officer (GB)

Argus -- Shore-based fighter director unit

ARH -- Heavy-Hull Repair Ship

ARI -- Arithmetic Reading test

ARZ -- Arizona

ARK -- Arkansas

ARL -- Repair Ship, Landing Craft

ArlAnn -- Arlington Annex (Navy Department)

AMR -- Armament

ARM -- Aviation Radioman

ARM -- Heavy machinery Repair Ship

ARMAC -- Aviation Radioman, Combat Aircrewman

*ARMD -- Armored

ArmdComd -- Armored Command (Army)

ArmGrd -- Armed Guard

ArmGrdCen -- Armed Guard Center

ARO -- Air Radio Officer

AROU -- Aviation Repair and Overhaul Unit

ARP -- Air Raid Precautions

#ARPROREP -- Upon arrival further proceed and report (to)

#ARREP -- Upon arrival report (to)

#ARREPCOVES -- Upon arrival report to commanding officer of that vessel for duty

#ARREPISC -- Upon arrival report to immediate superior in command if present; otherwise by dispatch for duty indicated

ARRL -- Aeronautical Radio and Radar laboratory

ArrUS -- Arrived within continental limits of U.S.

ARRV -- Arrive

ARS -- Air Regulating Squadron

ARS -- Salvage Vessel

ARSD -- Aviation Repair Supply Depot

ARS(D) -- Salvage Lifting Vessel

ARS(T) -- Salvage Craft Tender

ART -- Article

ART -- Aviation Radio Technician

ARTL -- Awaiting result of trail

Arty -- Artillery

ARV -- Aircraft Repair Ship

ARV(A) -- Aircraft Repair Ship (Aircraft)

ARV(E) -- Aircraft Repair Ship (Engine)

AS -- Altostratus

AS -- Anti-Submarine

A/S -- Anti-Submarine

AS -- Apprentice Seaman

AS -- Asiatic

AS -- Astoria, Oregon

AS -- Submarine Tender

AS -- United States to West African ports (routing designation)

ASA -- Aviation Supply Annex

ASAC -- Altostratus and Altocumulus

ASAP -- Anti-Submarine Attack Plotter

ASATTU -- Anti-Submarine Attack Teacher Training Unit

ASB -- Airborne Search Radar

ASC -- Air Service Command (Army)

ASC -- Air Support Control

ASCU -- Air Support Control Units

ASD -- Airborne Search Radar

ASD -- Artillery Spotting Division

ASD -- Aviation Supply Depot

ASDevLant -- Anti-Submarine Development Detachment, Atlantic Fleet

Asdic -- Allied Submarine Devices Investigation Committee (World War I); also, general term applied to any type of under-water supersonic echo-ranging equipment of vessels

ASE -- Airborne Search Radar

ASE -- Aircraft Stores Establishment

A/SEE -- Anti-Submarine Experimental Establishment

ASF -- Alaskan Sea Frontier

ASF -- Army Service Forces

A/SFDO -- Anti-Submarine Fixed Defenses Officer

ASFTrnTraRonPac -- Auxiliary Service Force, Transition Training Squadron, Pacific

ASG -- Airborne Search Radar

ASH -- Airborne Search Radar

ASIS -- Ammunition Stores Issuing Ship

ASN -- Army Serial Number

ASO -- Air Signal Officer

ASO -- Air Staff Officer

ASO -- Assistant Secretary's Office (Navy)

ASO -- Aviation Supply Office (Philadelphia)

ASOS -- Assistant Supervisor of Shipbuilding

ASP -- Anti-Submarine Patrol

ASR or A/SR -- Air-Sea Rescue

ASR -- Submarine Rescue Vessel

ASRS -- Anglo-Soviet Recognition Signals

ASSERON -- Army Service Squadron (corresponds to Navy's CASU)

AS&SL -- All Ships and Stations Letters

ASSRON -- Air Service Support Squadron (Army)

Asst -- Assistant

*AST -- Assistant (to)

AstCk -- Assistant Cook

ASTP -- Army Specialized Training Program

ASTRP -- Army Specialized Training Reserve Program

AstSecNav -- Assistant Secretary of the Navy

AstSecNavAir -- Assistant Secretary of the Navy for Air

ASTU -- Air Support Training Units

ASTU -- Army Specialized Training Unit

ASU -- Aircraft Scheduling Unit

ASV -- Airborne Search Radar

*ASW or A/SW -- Anti-Submarine Warfare

ASW -- Assistant Secretary of War

ASWO -- (Naval) Air Stations Weekly Orders

ASWORG -- Anti-Submarine Warfare Operations Research Group

ASWTC -- Anti-Submarine Warfare Training Center

ASWTraCen -- Anti-Submarine Warfare Training Center

ASWTU -- Anti-Submarine Warfare Training Unit

ASWUnit -- Anti-Submarine Warfare Unit

AT -- Anti-Tank

A/T -- Anti-Torpedo (Nets)

A/T -- Attack teacher

AT -- Ocean-going Tug

AT -- United States to United Kingdom (routing designation)

AT -- USNR officer designation. See A and T. Formerly (A)-T.

A1T -- USNR officer designation. See A1 and T. Formerly (A1)-T.

A2T -- USNR officer designation. See A2 and T. Formerly (A2)-T.

A3T -- USNR officer designation. See A3 and T. Formerly (A3)-T.

A4T -- USNR officer designation. See A4 and T. Formerly (A4)-T.

ATA -- Army Transportation Association

ATA -- Ocean Tug (Auxiliary)

ATAD -- Absent on temporary additional duty

ATAD -- Air Technical Analysis Division

*ATAK -- Attack

ATANDT -- American Telephone and Telegraph Company

ATB -- Amphibious Training Base

ATC -- Airport Traffic Control

ATC -- Air Transport Command (USAAF)

ATC -- Army Training Center

ATCC(L) -- Allied Tanker Coordinating Committee in London

ATCC(W) -- Allied Tanker Coordinating Committee in Washington

ATCLO -- Amphibious Training Command Liaison Officer

ATCom -- Atoll Commander

ATCOR -- Air Traffic Coordinator

ATCOREU -- Air Traffic Coordinator Europe

ATCORUS -- Air Transport Coordinator for the United States

ATD -- Actual Time of Departure

AT (E) -- Administration of Territories (Europe)

ATF -- Ocean Tug, Fleet

ATIS -- Allied Translation and Intelligence Section

Atl -- Atlantic

ATL -- Awaiting trial

ATL -- Tank-landing craft, ocean going

ATMU -- Aircraft Torpedo Maintenance Unit

ATO -- Assisted take-off

ATO -- Ocean Tug, Old

ATR -- Aircraft Trouble Report

ATR -- Aviation Training Record

ATR -- Ocean Tug, Rescue

ATRON -- Atlantic Squadron (before Feb. 1941)

ATS -- Army Transport Service

ATSC -- Air Technical Service Command (Army)

ATSU -- Air Travel Security Unit

AT&T -- American Telegraph and Telephone Company

*ATT -- Mess attendant

ATTC -- Aviation Technical Training Center

*ATTN -- Attention

ATU -- Advanced Training Unit

AugU -- Augmenting Unit

AUS -- Army of the United States

*AUTH -- Authority

Auth -- Authority

#AUTHEXANDO -- Authority granted to execute acceptance and oath of office for

Auto Weap -- Automatic Weapons

*AUX -- Auxiliary or Auxiliary Craft

AV -- Audio-Visual

*AV -- Aviator, Aviation

AV -- Seaplane Tender

AVC -- American Veterans' Committee

AVC -- Catapult Lighter

AVCAD -- Aviation Cadet

AVD -- Seaplane Tender (highspeed)

"Avenger" -- See TBF-#, TBM-#

AVG -- Aircraft Carrier, Escort [see CVE]

A-V(G) -- USNR aviation officers holding designation as naval aviators, qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by one of the following: (A3), (A3)L, (A4)L, S(A3), or S(A4).

AvGas -- Aviation Gasoline

AVH -- USN officer designation. Designated Naval Aviator, Heavier than Air, on Flight Duty, USN.

AVIA -- Aviaiton pay

AVL -- Aviation officer designation. Designated Naval Aviator, Lighter than Air, on Flight Duty, USN.

AVM -- Air Vice-Marshal

Avn -- Aviation

A-V(N) -- USNR aviation flight officers, detailed to actve duty in the aeronautic organization of the Navy immediately following their completion of traiing and designation as naval aviators.This classification was abolished in September 1944 and replaced by one of the following: (A1), (A1)-L, (A2), (A2L), S(A1), or S(A2).

AvnCdt -- Aviation Cadet

AvnEngrBn -- Aviation Engineer Battalion (USMC)

AvnU -- Aviation Unit (USMC)

AVP -- Seaplane Tender (Small)

AVR -- Aircraft Rescue Vessel

Avr -- Aviator

A-V(RS) -- USNR aviation officers, commissioned and warrant, including radio electricians, qualified for specialist duties. This classification was abolished in September 1944 and replaced by the proper aviation or engineering classification with the suffix "T".

AVS -- Aviation Supply Ship

A-V(S) -- USNR aviaiton officers, commissioned and wearrant, including guners, radio electricians, machinists, aerographers, and photographers, qualified for specialist duties. This classification was abolished in September 1944 and replaced by one of the following: (A), (A)L, (D), (D)L, (AD), (S), or S(A).

AVT -- Aviation Medicine

AVT -- Aviation Medicine Technician

A-V(T) -- USNR aviaiton officers, former civil aviation pilots or aviators of the Army, Navy, Marine Corps or Coast Guard, qualified for specialist duties. This classificaiton was abolished in September 1944 and replaced by one of the following: (A5), (A5)L, (A6), (A6)L, S(A5), or S(A6).

AVTR -- Aviator

AW -- Articles of War (Army)

AW -- Automatic Weapons (Army)

AW -- Distilling Ship

AWA or AWAS -- Air Warfare Analysis Section (GB)

AWC -- Army War College

A&WI -- Atlantic and West Indies

AWK -- Water Tanker

AWOL -- Absent without official leave

AWrnCo -- Aircraft Warning Company (USMC)

AWS -- Air Warning Squadron (USMC)

AWS -- Physically on board awaiting sentence of court martial; not ship's company

AWT -- Physically on board awaiting trial by court martial; not ship's company

AX -- Planned Auxiliary, New Construction

AX -- USNR officer designation. See A and X. Formerly (A)-X.

A1X -- USNR officer designation. See A1 and X. Formerly (A1)-X.

A2X -- USNR officer designation. See A2 and X. Formerly (A2)-X.

A3X -- USNR officer designation. See A3 and X. Formerly (A3)-X.

A4X -- USNR officer designation. See A4 and X. Formerly (A4)-X.

A5X -- USNR officer designation. See A5 and X. Formerly (A5)-X.

A6X -- USNR officer designation. See A6 and X. Formerly (A6)-X.

AZ -- Air ship Tender (Lighter than Air)

--- B ---

B -- First letter in the Navy aircraft designation, indicating a bomber plane

B -- Beech Aircraft Company (manufacturer's symbol)

B -- Biplane

B -- Boeing Aircraft Company (manufacturer's symbol)

B -- Boeing Aircraft of Canada, Ltd. (manufacturer's symbol)

B -- Boilermaker

B -- Bomber Field

B -- Built for British (suffix to plane designation, as: F4F-4B)

B -- Budd Manufacturing Company (manufacturer's symbol)

IVB -- Classified Civil Service Worker

B -- Ship Symbols preceded by B represent Lend-Lease vessels for Royal Navy; e.g.: BAm is British Minesweeper

B -- Butcher

B-314 -- "Clipper"; four-engine Navy Transport (VR (HS)), seaplane, manufactured by Boeing; formerly Pan-American "Clipper")

BA -- Balboa, Canal Zone

BA -- British Admiralty

BA -- British Army

BABS -- Blind Approach Beam System (radar)

BAC -- British Air Commission (Washington)

BACC -- British-American Coordinating Committee (Turkey)

BAD -- British Admiralty Delegation (Washington)

#BAGAIR -- (Total pounds) baggage authorized while in an air travel status

BAGR -- BuAer General Representative (formerly, General Inspector of Naval Aircraft)

BAGR, ED -- BuAer General Representative, Eastern District

BAGR, CD -- BuAer General Representative, Central District

BAGR, WD -- BuAer General Representative, Western District

BAIRES -- Buenos Aires

BAK -- Cargo Ship (Lend-Lease to Great Britain)

BAKA (foolish) -- Allied name for Japanese Oka (rocket propelled one man guided missile); earlier, called "Viper"

Baker -- "B" in the phonetic alphabet

*BAKS -- Barracks

BAL -- Balance

BALDNY -- Ballistic Density

BALWND -- Ballistic Wind

BAM -- British Air Ministry

BAm -- Mine Sweeper (Lend-Lease to Great Britain)

BAMO -- Bureau of Aeronautics Material Officer

BAMRO -- Bureau of Aeronautics Maintenance Repair Officer

BAMRRO -- Bureau of Aeronautics Maintenance Resident Representative Officer

BAMS -- Broadcast to Allied Merchant Ships

BAMSR -- British Admiralty Maintenance and Supply Representative

BAR -- Browning Automatic Rifle

BAR -- Bureau of Aeronautics Representative (formerly Inspector of Naval Aircraft)

BARDay -- Bureau of Aeronautics Representative, Dayton, Ohio

BARM -- British Admiralty Repair Mission

BARR -- Bureau of Aeronautics Resident Representative

BARS -- Salvage Vessel (Lend-Lease to Great Britain)

BaseFor -- Base Force

BaseServUnit -- Base Service Unit

Bat -- Battalion (USMC)

*BAT -- Battle, Battleship

BAT -- Oceangoing Tug (Lend-Lease to Great Britain)

BatCruLant -- Battleships and Cruisers, Atlantic Fleet

BatCruPac -- Battleships and Cruisers, Pacific Fleet

BatDiv -- Battleship Division

BatFor -- Battle Force

BatLant or BatShipsLant -- Battleships, Atlantic Fleet

BatPac or BatShipsPac -- Battleships, Pacific Fleet

BatRon -- Battleship Squadron

BATSHIP -- Battleship, Battleforce

BatshipsBatForPac -- Battleships, Battle Force, Pacific Fleet

BAVG -- Aircraft Carrier Escort (lend-Lease to GB)

BAYONGRU -- Bayonne Group

B/B -- Baby Incendiary Bomb

BB -- Battleship

BBB -- Basic Boxed Base

BBC -- Bombenzyl Cyanide

BBH -- Battalion Beachhead (Army)

BBL -- Barrel

BC -- Battery Commander (Army)

BC -- Battle Cruiser (GB)

BC -- United States East Coast to Society Islands (routing designation)

BCD -- Bad Conduct Discharge

BCDD -- Base Construction Depot Detachment

Bcn -- Bombardment calling wave

BCRA -- Bureau Centrale de Renseignements et d'Action (Free French)

BD -- Bomb Disposal

BD-# -- "Havoc"; twin-engine Navy bomber (VB), manufactured by Douglas

BdD&M -- Board of Decorations and Medals

BDE -- Escort Vessel (Lend-Lease to GB)

BDGC -- Bad conduct discharge, general court martial, after confinement in prison

BDGI -- Bad conduct discharge, general court martial, immediate

BDGP -- Bad conduct discharge, general court martial, after violation of probation

BDI -- Bearing Deviation Indicator (Sonar)

BDSI -- Bad conduct discharge, sentence of summary court martial, immediate

BDSP -- Bad conduct discharge, summary court martial, after violation of probation

"Bearcat" -- See F8F-#

Benef -- Beneficiary

B Eng -- Basic Engineering

"Bermuda" -- See SB2A-#

BerSeaPat -- Bering Sea Patrol

Beth -- Bethlehem Shipbuilding Corporation

BEW -- Board of Economic Warfare

BF -- Brought Forward

BFM -- Basic Field Manual (Army)

Bfo -- Beat frequently oscillator

BG -- British Guiana

BG-# -- Single-engine Navy bomber (VB), biplane, manufactured by Great Lakes

BGM -- Basegram

BGM -- Buglemaster

Bgmstr -- Buglemaster

BGPP -- Beneficiary Government Production Program

BHO -- Branch Hydrographic Office

BHQ -- Brigade Headquarters (Army)

BI -- Bermuda Islands

BI -- Biographical inventory

BIGOT -- British Messages Replanning and Direction of Major Operations

BIM -- Basic Industrial Materials (Program)

BIO -- Branch Intelligence Officer

BIS -- Board of Inspection and Survey

BJM -- Bluejacket's Manual

BJSM -- British Joint Staff Mission

BJU -- Beach jumper Unit

BK -- Yardarm Blinker

BKR -- Baker

Bks -- Barracks

BKT -- Blinker Tube

B/L -- Bill of Lading

BL -- Bomb Line

"Black Widow" -- See FT-#

BLADING -- Bill of Lading

BlimpHedron -- Blimp Maintenance Squadron

BlimpRon -- Blimp Squadron

BLO -- Bombardment Liaison Officer

BLO -- British Liaison Officer

Block -- Airborne television system

*BLP -- Bombing landplane

BLT -- Battalion Landing Team (Army)

BL&T -- Blind Loaded and Traced

BM -- Boatswain's Mate

BM1 -- Boatswain's Mate 1st class

BM2 -- Boatswain's Mate 2nd class

B-M -- Boilers, Propulsion Division of Engineering Department aboard a carrier

BMCBB -- Boatswain's Mate, Construction Battalion, Boatswain

BMCBS -- Boatswain's Mate, Construction Battalion, Stevedore

BMD -- Base Maintenance Division

BMG -- Browning Machine Gun

BMKR -- Boilermaker

BMM -- Boatswain's Mate A (Master-at Arms)

BMR -- Beachmaster

BMSM -- British Merchant Shipping Mission

BMSRC -- Boatswain's mate, Ship Repair, Crane Operator

BMSRR -- Boatswain's Mate, Ship Repair, Rigger

BMSRS -- Boatswain's Mate, Ship Repair, Canvasman

Bmstr -- Bandmaster

Bn -- Battalion

BN -- Brazilian Navy

BNAS -- British Naval Air Service

BnHQ -- Battalion Headquarters (USMC)

BNLO -- British Naval Liaison officer

BNP -- Bureau of Naval Personnel Publications

BNPCL -- Bureau of Naval Personnel Circular Letters

BNYD -- Boston Navy Yard

BO -- Base Order

"BOATS" -- A Boatswain's Mate

"Bobcat" -- See JRC-#

BODU -- Bureau of Ordnance Design Unit

*BOI -- Boiler

*BOM -- Bombing

BomCom -- Bomber Command (Army)

BOMID -- Branch Office, Military Intelligence Division (War Department)

BomRon -- Bombing Squadron

BOQ -- Bachelor Officers Quarters

BORU -- Boat Operating and Repair Unit

BOS -- Boston, Massachusetts

BOSN -- Boatswain (Warrant)

BosGrp -- Boston Group

BOU -- Boat Operating unit

BP -- Base Pay

BB -- Base Planning Board

BPFILO -- British Pacific Fleet Intelligence Liaison Officer

BPFLO -- British Pacific Fleet Liaison Officer

BPO -- Base Post Office (Army)

BPR -- Bridge Plotting Room

B&Q -- Barracks and Quarters (Army)

BQM -- Base Quartermaster (USMC)

BR -- Bomber Reconnaissance Aircraft

BR -- Bremerton, Washington

BR -- Briefing Room

BRAL -- Bureau de Renseignements et d'Action, Londres (Free French)

BrancHydro -- Branch Hydrographic Office

Braso -- Branch Aviation Supply Office

BREM -- Bremerton, Washington

BRG -- Bearing

BrgBln -- Barrage Balloon

Brig -- Brigade

BRIGEN -- Brigadier General (USMC)

BrigGen -- Brigadier General

BRIT -- British

BRL -- Bomb Release Line

BRO -- British Routing Office

BrQM -- Brigade Quartermaster (USMC)

BRR -- Bridge Receiving Room

BRU -- Boat Repair Unit

BRUSA -- British-United States Agreement (Circuits)

BS -- Battleship Squadron

BS -- Boston (Navy Yard)

BS -- Busch Sulzer (ship engines)

BSC -- Balkan Supply Center

BSerBn -- Base Service Battalion (USMC)

BSI -- British Solomon Islands

BSN -- Boston, Massachusetts

BSO -- Base Supply Officer

BSO -- Bomb Safety Officer

BSO -- British Supply Office

BSR -- Boilermaker, Ship Repair

BSU -- Base Service Unit

BT-# -- Single-engine Navy bomber (VB), manufactured by Northrop

BT -- Bahia to Trinidad (routing designation)

BT -- Bathythermograph (sonar)

BT2C -- Twin-engine Navy fighter (VF(M)), manufactured by Curtiss

BTCA -- Basic Tables of Commissioning Allowances (now Tables of Basic Allowances--TBA)

BTD-# -- Single-engine Navy scout bomber (VSB), manufactured by Douglas

BTE -- British Troops in Egypt

BTM-# -- Twin-engine Navy fighter (VF(M)), manufactured by Martin

Btry -- Battery

*BU -- Bureau

BuAer (BuAero) -- Bureau of Aeronautics

BUAER -- Chief, Bureau of Aeronautics

BUCon -- Bureau of Construction and Repair (to 1940)

BuC&R -- Bureau of Construction and Repair (to 1940)

BuDocks -- Bureau of Yards and Docks

BUDOCKS -- Chief, Bureau of Yards and Docks

BuEng -- Bureau of Engineering (to 1940)

BuExp -- Bureau Express (boiler)

"Buffalo" -- See F2A-#

BUG -- Bugler

BuMed -- Bureau of Medicine and Surgery

BUMED -- Chief, Bureau of Medicine and Surgery

BuM&S -- Bureau of Medicine and Surgery

BuNav -- Bureau of Navigation (to 1942)

BuOrd -- Bureau of Ordnance

BUORD -- Chief, Bureau of Ordnance

BuPers -- Bureau of Naval Personnel

BUPERS -- Chief, Bureau of Naval Personnel

BUPS -- Beacon, Ultra Portable "S" Band

BuSandA -- Bureau of Supplies and Accounts

BUSANDA -- Chief, Bureau of Supplies and Accounts

BUSCI -- British-United States Convoy Instructions

BuShips -- Bureau of Ships

BUSHIPS -- Chief, Bureau of Ships

BUSRA -- British-United States Routing Agreement

"Buttress" -- Mine Recovery Vessel

BuY&D -- Bureau of Yards and Docks

BUZZ BOMB -- V-1 (Pilotless Flying Bomb)

B&W -- Babcock and Wilcox (boilers)

B&W -- Black and White (film)

B&W -- Bread and Water

BWC -- Board of War Communications

BWI -- British West Indies

BWP -- Basic War Plan

BX -- Boston to Halifax (routing designation)

BY -- Bayonne, New Jersey

BYMS -- British Yard Motor Minesweepers

--- C ---

(C) -- Caretaker Status

C -- Center--as NATTC (Naval Air Technical Training Center)

C -- Central

C -- Cessna Aircraft Corporation (manufacturer's symbol)

C -- Chief; e.g., CMUS (Chief Musician)

C -- Class; used with number for Navy rating as: 1c (first class)

C -- Commandant (USCG)

C -- Commander; as: CNAB (Commander Naval Air Bases)

C -- Commissary (USMC)

C -- Confidential Dispatch

C -- Culver Aircraft Corporation (manufacturer's symbol)

C -- Curtiss-Wright Corporation (manufacturer's symbol)

C -- Freighter Aircraft

C -- USNR officer designation for General Service, Communications Duties. Formerly (C).

CA -- Assistant Commandant (USCG)

CA -- Civil Authorities

CA -- Combat Aircrew (man)

CA -- Convening Authority

CA -- Heavy Cruiser

CAA -- Civil Aeronautics Authority

CAAF -- Combined Allied Air Forces

CAA-WTS -- Civil Aviation Authority--War Training Service

CAB -- Civil Aeronautics Board

CAC -- Coast Artillery Corps (Army)

CAC -- Combat Air Crew

CAC -- Commander Air Center

CACW -- Chinese-American Composite Wing

CAD -- Civil Affairs Division (Army)

CAdC -- Combined Administrative Committee

CADRC -- Combined Air Documents Research Center

CAer -- Chief Aerographer

CAerM -- Chief Aerographer's Mate

CAF -- Clerical, Administrative and Fiscal (Civil Service employees designation)

CAFAC -- Commander All Forces, Aruba-Curacao

CAFAF -- Commander Amphibious Force Atlantic Fleet

CAFO -- Confidential Admiralty Fleet Order (GB)

CAFT -- Consolidated Advance Field Teams

Cal -- Caliber

CALF -- Combined Allied Land Forces

CALIF -- California

CAM -- Administrative Management Division (USCG)

CAMDI -- Confidential Admiralty merchant Ship Defense Instructions (GB)

"Campbell" -- Navy crash boat equipped with television

CAMSI -- Canadian, American Merchant Shipping Instructions

CAMSI -- Confidential Admiralty Merchant Shipping Instructions

*CAN -- Canada, Canadian

CANCEL -- Vessels on which construction was stopped (Code)

CANCON -- Canadian Control System (for convoys in Canadian Coastal Zone)

CandR -- Construction and Repair (USCG)

CandR -- Convoy and Routing

CANF -- Combined Allied Naval Forces

CANFSWPA -- Combined Allied Naval Forces Southwest Pacific Area

CANFSWPAOPPlan -- Combined Allied Naval Forces Southwest Pacific Ocean Area Operation Plan

CAO -- Civil Affairs Officer

CAP -- Catapult and Arresting-Gear Pool

CAP -- Chief Aviation Pilot

CAP -- Civil Air Patrol

CAP -- Combat Air Patrol

CAP -- Current Assessment Plan

CAPCP -- Civil Air Patrol Coastal Patrol

CAPT -- Captain

CapLB -- Captain, Landing Barges

CAPUC -- Coordinating Area Production Urgency Committee

*CAR -- Carrier

CAR -- Chief Airship Rigger

CarAirGroup -- Carrier Air Group

Carb -- Carburetor

CarDiv -- Carrier Division

CARE -- Cooperative for American Remittances to Europe

*CARIB -- Caribbean

CaribSeaFron -- Caribbean Sea Frontier

Carp -- Carpenter

CarPac -- Carriers, Pacific Fleet

"Carpet" -- Electronic jammer (radar)

"Carpet Sweeper" -- Electronic transceiver (radar)

CarTaskFor -- Carrier Task Force

CarTransRon -- Carrier Transport Squadron

CARTU -- Combat Aircrew Refresher Training Unit

CAS -- Chief of Air Staff (USMC)

CAS -- Civil Affairs Section

CASCP -- Caribbean Area Small Craft Project

CASCU -- Commander Aircraft Support Control Unit

CASD -- Carrier Aircraft Service Detachment (USMC)

CASD -- Carrier Aircraft Service Division

CASDIV -- Carrier Aircraft Service Division

Cast -- "C" in the phonetic alphabet; now obsolete and replaced by "Charlie"

CASU -- Carrier Aircraft Service Unit

CASU (F) -- Combat Aircraft Service Unit

CASUM -- Civil Affairs Summary

CASWO -- Confidential and Secret Weekly Orders (Naval Air Stations)

"Catalina" -- See PB2B-#, PBY-#

CATCUSAF -- Commander Amphibious Training Command United States Atlantic Fleet

CATS -- Civil Affairs Training School

CATU -- Combat Aircrew Training Unit

CAVU -- Ceiling and Visibility Unlimited

"Caydet" -- N2S; single-engine Boeing, Wichita (Stearman) Navy training, primary

CAZ -- Planned Auxiliary, Conversion (Cruiser)

CB -- Chief Boilermaker

CB -- Confidential

CB -- Construction Battalion ("Seabees")

CB -- Cooper Bessemer (ship engines)

CB -- Cumulonimbus

CB -- Large Cruiser

CBALS -- Carrier Borne Air Liaison Section

CBC -- Contraband Control

CBD -- Board of Review, Discharges and Dismissals (USCG)

CBD -- Construction Battalion Detachment

CBgmstr -- Chief Buglemaster

CBI -- China-Burma-India (Theater of Operations)

CBLO -- Chief Bombardment Liaison Officer

CBLS -- Carrier Borne Air Liaison Section

CBM -- Chief Boatswain's Mate

CBMA -- Chief Boatswain's Mate Acting

CBMCBB -- Chief Boatswain's Mate, Construction Battalion, Boatswain

CBMCBS -- Chief Boatswain's Mate Construction Battalion, Stevedore

CBmkr -- Chief Boilermaker (USCG)

CBMM -- Chief Boatswain's Mate A (Master-at-Arms)

CBMSRC -- Chief Boatswain's Mate, Ship Repair, Crane Operator

CBMSRR -- Chief Boatswain's Mate, Ship Repair, Rigger

CBMSRS -- Chief Boatswain's Mate, Ship Repair, Canvasman

CBMU -- Construction Battalion Maintenance Unit

#CBN -- Construction Battalion

#CBNDET -- Construction Battalion Detachment

CBO -- Board of Review, Officer Retirements (USCG)

CBO -- Coding Board Officer

CBR -- Budget and Requirements Division (USCG)

CBRD -- Construction Battalion Replacement Depot

CBSR -- Chief Boilermaker, Ship Repair

CBT -- Clinical laboratory Technician

CC -- Combat Command (Army)

CC -- Cyanogen chloride

CC -- USN officer designation for Construction Corps, USN

CCA -- Cash Clothing Allowance (quarterly)

CCAC -- Combined Civil Affairs Committee

CCAC/L -- Combined Civil Affairs Committee, London Subcommittee

CCAC/S -- Combined Civil Affairs Committee, Supply Subcommittee

CCAO -- Chief Civil Affairs Officer (US & GB)

CCATNA -- Combined Committee on Air Training in North America

CCB -- Combined Communications Board

CCB -- Contraband Control Base

CCBP -- Combined Communications Board Publications

CCC -- Chief Cable Censor

CCC -- Civilian Conservation Corps

CCC -- Combined Coordinating Committee (CCB)

CCC -- Commodity Credit Corporation

CCFET -- Central Commissioning Detail

CCF -- Captain, Coastal Force

CCFET -- Captain, Coastal Forces, Eastern Theatre

CCGD -- Commander Coast Guard District; e.g., CCGDTHREE

CCk -- Chief Cook

CCk(B) -- Chief Cook (Baker)

CCk(C) -- Chief Cook (Commissary)

CCL -- Communications Circular Letter

CCM -- Chief Carpenter's Mate

CCM -- Combined Cipher Machine

CCM -- Combined Coding Machine

CCMCBB -- Chief Carpenter's Mate, Construction Battalion, Builder

CCMCBD -- Chief Carpenter's Mate, Construction Battalion, Draftsman

CCMCBE -- Chief Carpenter's Mate, Construction Battalion, Excavation Foreman

CCMCBS -- Chief Carpenter's Mate, Construction Battalion, Surveyor

CCMSRB -- Chief Carpenter's Mate, Ship Repair, Boatbuilder--Wood

CCMSRJ -- Chief Carpenter's Mate, Ship Repair, Joiner

CCO -- Convoy Control Officer

CCS -- Chief Commissary Steward

CCS -- Combined Chiefs of Staff

CCSC -- Civil Affairs Staff Center (Wimbledon, England)

CCSF -- Commander Caribbean Sea Frontier

CCSTD -- Chief Commissary Steward

CCT -- Communications Control Team

CC-V(S) -- USNR designation for Engineer Officers, commissioned and warrant, including carpenters, qualified for specialist duties. Classification abolished in 1944 and replaced by S(E) classification.

CCZA -- Canadian Coastal Zone Atlantic

CCZP -- Canadian Coastal Zone Pacific

CD -- Coastal Defense (USMC)

CD -- Confidential Document

CD -- Conning Director

CD -- USNR officer designation. See C and D. Formerly (CD)

CDC -- Caribbean Defense Command(er)

CDD -- Certificate of Disability for Discharge (Army)

CDN -- USNR officer designation. See C, D and N. Formerly (CD)-N

CDO -- Command Duty Officer

Cdo -- Commando

CDR -- Commander

CDR -- USNR officer designation. See C, D, and R. Formerly (CD)-R

CDRE -- Commodore

CdreIC -- Commodore-in-Charge (GB)

CdrelchPortsmouth -- Commodore Commanding Landing Craft Bases, Portsmouth Command (GB)

CdreSupt -- Commodore Superintendent (GB)

CdrF -- Command, Flying (GB)

CdrSBU -- Commander, Special Boats Units (GB)

CDS -- Central Distribution System (publications)

CDS -- Commander, Destroyer Squadron

CDT -- Cadet (USCG)

CDT -- Commandant

CDT -- USNR officer designation. See C, D, and T. Formerly (CD)-T.

CDX -- USNR officer designation. See C, D, and X. Formerly (CD)-X.

CE -- Chief Engineer

CE -- Civil Engineer

CE -- Combustion Engineering

CE -- Corps of Engineers (Army)

CEC -- Central Economic Committee

CEC -- USN officer designation for Civil Engineer Corps, USN

CECR -- USNR officer designation for General Service, Civil Engineering Corps. Formerly CEC.

CECS -- USNR officer designation for Cargo Handling Specialists. Formerly (CEC)S.

CEC(S1) -- USN officer designation for Special Service, Special CEC duties as Mechanical Engineer.

CEC(S2) -- USN officer designation for Special Service, Special CEC duties as Electrical Engineer.

CEC(S3) -- USN officer designation for Special Service, Special CEC duties as Cargo Handling Specialist.

CEC-V(S) -- USNR officer designation for Civil Engineer Officers, commissioned and warrant, including carpenters, qualified for specialist duties. This classification was abolished in September 1944 and replaced by one of the following: CEC(S), CEC(S1), CEC(S2) or CEC(S3).

CEF -- Captain (Commanding) Escort Forces

CEF -- Corps Expeditionaire Francais

CEM -- Chief Electrician's Mate

CEMCBC -- Chief Electrician's Mate, Construction Battalion, Communications

CEMCBD -- Chief Electrician's Mate, Construction Battalion, Draftsman

CEMCBG -- Chief Electrician's Mate, Construction Battalion, General

CEMCBL -- Chief Electrician's Mate, Construction Battalion, Line and Station

CEMSRG -- Chief Electrician's Mate, Ship Repair, General Electrician

CEMSRS -- Chief Electrician's Mate, Ship Repair, Shop Electrician

CEMSRT -- Chief Electrician's Mate, Ship Repair, I.C. Repairman

*CEN -- Center, Central

CenCATS -- Central Pacific Combat Air Transport Service (joint Army, Navy and Marine Corps) (later TAG)

CenDraft -- Central Drafting Officer (Navy Yard, N.Y.)

CenPac -- Central Pacific Area

CenPacFor -- Central Pacific Forces

CentCom -- Central Pacific Communications Instructions

CentPacBaCom -- Central pacific Base Command

CEO -- Casualty Evacuation Officer

CEOinC -- Civil Engineer, Officer-in-Charge

CESF -- Commander Eastern Sea Frontier

CEV -- Convoy Escort Vessel

CEWA -- Combined Economic Warfare Agencies

CF -- Carry Forward

CF -- Coastal Frontier (Army)

CF -- Flying Deck Cruiser

CFC -- Chief Fire Controlman

CFC -- Controlled Force Circulation (boilers)

CFCO -- Chief Fire Controlman, Operator

CFCS -- Chief Fire Controlman, Submarines

CFLN -- Comite Francais Liberation Nationale

CFO -- Connection Fitting Out (name of ship)

CFO -- Physically on board for the commissioning and fitting out of a specified ship or activity

CG -- Coast Guard

CG -- Commanding General (USMC)

CG -- Phosgene

CGA -- Coast Guard Academy

CGAB -- Coast Guard Air Base

CGAS -- Coast Guard Air Station

CGC -- Coast Guard Cutter

CGD -- Coast Guard District

CGM -- Chief Gunner's Mate

CGMB -- Commanding General, Marine Base

CGMCBG -- Chief Gunner's Mate, Construction Battalion, Armorer

CGMCBP -- Chief Gunner's Mate, Construction Battalion, Powderman

CGOB -- Coast Guard Operating Base

CGOS -- Combat Gunnery Officers School (Army Air Forces)

C&GS -- Coast and Geodetic Survey

C&GS -- Command and General Staff (Army)

CGTS -- Coast Guard Training Station

CGYD -- Coast Guard Yard

CH -- Charleston (Navy Yard)

*CH -- Chief of the ---; e.g., ChBuOrd (Chief of the Bureau of Ordnance)

ChAer -- Chief Aerographer

Chap -- Chapter

Char -- Navy Yard, Charleston

Charlie -- "C" in the phonetic alphabet; formerly "Cast"

ChasGrp -- Charleston Group

Chasn -- Charleston, South Carolina

ChBosn -- Chief Boatswain

ChC -- USN officer designation for Chaplain Corps, USN

ChCarp -- Chief Carpenter

ChCk -- Chief Cook

CHCP -- USNR officer designation for probationary commission in Reserve Chaplain Corps. Formerly CHC(P).

CHCR -- USNR officer designation for General Service, Chaplain Corps. Formerly CHC.

CHCS -- USNR officer designation for Special Service, Chaplain Corps. Formerly CHC(S).

ChC-V(G) -- USNR officer designation for Chaplain qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by ChC or ChC(S).

ChC-V(P) -- USNR officer designation for seniors in theological seminaries commissioned as ensigns in probationary status and, after qualification and transfer to ChC-V(G), available for general detail ashore or afloat. This classification was abolished in September 1944 and replaced by ChC(P).

ChC-V(S) -- USNR officer designation for Chaplains qualified for specialist duties. This classification was abolished in September 1944 and replaced by ChC or ChC(S).

ChElec -- Chief Electrician

ChemBomb -- Chemical Bomb

"Cherry Blossom" -- See "Oka"

ChGun -- Chief Gunner

ChMach -- Chief Machinist

ChNavAirShipTra -- Chief of Naval Airship Training

ChNavMis -- Chief, U.S. Naval Mission to (Country)

CHOP -- Change of Operational Control; dividing line in North and South Atlantic Oceans for American and British control of convoy and ship movements

CHORI -- Chief of Office of Research and Inventions

ChPClk -- Chief Pay Clerk

ChPhar -- Chief Pharmacist

ChPhot -- Chief Photographer

CHQ -- Corps Headquarters (Army)

CHQ -- Chops Headquarters Company (Army)

ChQmClk -- Chief Quartermaster Clerk (USCG)

ChREle -- Chief Radio Electrician

ChSClk -- Chief Ship's Clerk

CHT -- Chemist

ChTorp -- Chief Torpedoman

CHU -- Cable, Radio Censorship Office

CI -- Cirrus

CI -- Cost Inspector; also NCI (Naval Cost Inspector)

CIAA -- Coordinator of Inter-American Affairs

CIC -- Combat Information Center

CIC -- Combined Intelligence Committee

CIC -- Counter Intelligence Corps (G-2, Army)

CIG -- Central Intelligence Group

CIGS -- Chief of Imperial General Staff [UK]

CIMS -- Communications Instructions for Merchant Ships

*CinC -- Commander-in-Chief

CinCAF -- Commander-in-Chief, Allied Forces

CinCAF -- Commander-in-Chief, US Asiatic Fleet

CinCAFPac -- Commander-in-Chief, US Army Forces in the Pacific

CinCAL -- Commander-in-Chief, Alaska

CINCA&WI -- Commander-in-Chief, Atlantic and West Indies

CinCBPF -- Commander-in-Chief, British Pacific Fleet

CinCEI -- Commander-in-Chief, British East Indies Station

CincFE -- Commander-in-Chief, Far East

CinCLANT -- Commander-in-Chief, US Atlantic Fleet

CinCLantFlt -- Commander-in-Chief, US Atlantic Fleet

CinCMed -- Commander-in-Chief, Mediterranean

CinCNedE -- Commander-in-Chief, Netherlands Forces in the East

CinCPac -- Commander-in-Chief, US Pacific Fleet

CinCPac-CinCPoa -- Commander-in-Chief, US Pacific Fleet and Pacific Ocean Areas

CinCPacFlt -- Commander-in-Chief, US Pacific Fleet

CinCPacHedPearl -- Commander-in-Chief, US Pacific Fleet Headquarters, Pearl Harbor

CinCPOA -- Commander-in-Chief, Pacific Ocean Areas

CinCPoaHedPearl -- Commander-in-Chief, Pacific Ocean Areas Headquarters, Pearl Harbor

CinCSA -- Commander-in-Chief, South Atlantic Station (GB)

CinCUS -- Commander-in-Chief, US Fleet (now, CominCh)

CIO -- Combat Intelligence Officer

CIOS -- Combined Intelligence Objectives Sub-committee

CIOS -- Combined Intelligence Operations Section

CIPC -- Combined Intelligence Priorities Committee (US, GB) (London)

"Circus" -- Mobile torpedo field unit mounted on tractors and trailers and out-fitted with air compressors, tools, testing gear and a small crew of trained personnel

CIRES -- Communication Instructions for Reporting Enemy Sightings

CIS -- Cost Inspection Service

CIT -- California Institute of Technology

*CIT -- Citation

CITEJA -- Comite Internationale d' Experts Juridques Aeriens

CIU -- Central Interpretation Unit (British Air Ministry)

CIVCLO -- Civilian Clothing

CJTF -- Commander Joint Task Force

CK -- Check

Ck -- Cook

Ck(B) -- Cook (Baker)

Ck(C) -- Cook (Commissary)

CKD -- Checked

CKT -- Circuit

C/L -- Circular Letter

CL -- Light Cruiser

CL -- USNR officer designation for Limited General Service, Communication Duties. Formerly (C)L.

CL(AA) -- Light Cruiser (Anti-Aircraft)

CLAC -- Combined Liberated Areas Committee

Class -- Classification

Cler -- Clerical

"Clipper" -- See B-314

CLN -- USNR officer designation. See CL and N. Formerly (C)L-N.

CLR -- USNR officer designation. See CL and R. Formerly (C)L-R.

CLT -- Clerical Technician, Medical

CLT -- USNR officer designation. See CL and T. Formerly (C)L-T.

CLTE -- Commissioned loss to enlisted status (revocation of appointment)

CLUSA -- Continental Limits, United States of America

CLX -- USNR officer designation. See CL and X. Formerly (C)L-X.

CM -- Carpenter's Mate

CM -- Centimetres

CM -- Chief Metalsmith

C&M (also CM) -- Construction and Machinery

CM -- Controlled Mine Field

CM -- Countermeasure

CM -- Court Martial

CM -- Mine Layer

CMaM -- Chief Mailman

CMc -- Coastal Mine Layer

CMC -- Combined Meteorological Committee

CMC -- Commandant of the Marine Corps

CMC -- Merchant Marine Council (USCG)

CMCB -- Carpenter's Mate, Construction Battalion

CMCBB -- Carpenter's Mate, Construction Battalion, Builder

CMCBD -- Carpenter's Mate, Construction Battalion, Draftsman

CMCBE -- Carpenter's Mate, Construction Battalion, Excavation Foreman

CM&D -- Counter Measures and Deception (radar) (small)

CMG -- Chief Marine Gunner

CMH -- Congressional Medal of Honor

CMl -- Chief Moulder

CML2N -- Navy midget rocket engine

CMM -- Chief Machinist's Mate

CMMCBE -- Chief Machinist's Mate, Construction Battalion, Equipment Operation

CMMG -- Chief Machinist's Mate, Industrial Gas Generating Mechanic

CMMR -- Chief Machinist's Mate, Refrigeration

CMMS -- Chief Machinist's Mate, Shop

CMMSRO -- Chief Machinist's Mate, Ship Repair, Outside Machinist C

CMn -- Chief Mineman

CMO -- Controlled Materials Officer

CMO -- Court Martial Orders

CMoMM -- Chief Motor Machinist's Mate

CMoMSRD -- Chief Motor Machinist's Mate, Ship Repair, Diesel Engineering Mechanic

CMoMSRG -- Chief Motor Machinist's Mate, Ship Repair, Gasoline Engineering Mechanic

CMP -- Controlled Materials Plan (of the War Production Board)

CMP -- Corps of Military Police (Army)

CMSR -- Carpenter's Mate, Ship Repair

CMSRB -- Carpenter's Mate, Ship Repair, Boatbuilder-Wood

CMSRB -- Chief Metalsmith, Ship Repair, Blacksmith

CMSRC -- Carpenter's Mate, Ship Repair, Carpenter

CMSRC -- Chief Metalsmith, Ship Repair, Coppersmith

CMSRJ -- Carpenter's Mate, Ship Repair, Joiner

CMSRK -- Carpenter's Mate, Ship Repair, Caulker-Boat

CMSRN -- Carpenter's Mate, Ship Repair, Cement Worker-Concrete

CMSRS -- Chief Metalsmith, Ship Repair, Sheet Metal Worker

CMSRS -- Carpenter's Mate, Ship Repair, Shipwright

CMT -- Commissary

CMT -- Commissary Technician, Medical

CMTC -- Civilian Military Training Camp

CMTC -- Combined Military Transportation Committee

CMus -- Chief Musician

CN -- Chloracetophenone

CN -- Cuban Navy

CN -- USNR officer designation. See C and N. Formerly (C)-N.

CNA -- Canadian Northwest Atlantic (Area)

CNA -- Chief of Naval Air

CNAAdTra -- Chief of Naval Air Advanced Training (formerly CNAOpTra)

CNAB -- Commander Naval Air Base

CNABTra -- Chief of Naval Air Basic Training

CNAIntermTra -- Chief of Naval Air Intermediate Training (now CNABTra)

CNAIT -- Chief of Naval Air Intermediate Training

CNAOpTra -- Chief of Naval Air Operational Training (now CNAAdTra)

CNAOT -- Chief of Naval Air Operational Training

CNAPrimTra -- Chief of Naval Air Primary Training (now CNARFSTra)

CNAPT -- Chief of Naval Air Primary Training

CNAResTra -- Chief of Naval Air Reserve Training

CNAT -- Chief of Naval Air Training

CNATE -- Chief of Naval Airship Training and Experimentation

CNATec(LTA) -- Commander, Naval Air Technical Training (Lighter Than Air)

CNATechTra -- Chief of Naval Air Technical Training

CNATra -- Chief of Naval Air Training

CNB -- Commander, Naval Base

CNB Ottawa -- Canadian Naval Board, Ottawa

CNC -- Chief Naval Censor

CNC -- Chief of Naval Communications (formerly DNC)

CNDO -- Chief Navy Disbursing Officer

CNF -- Commander Naval Forces

CNG -- Commander Northern Group

CNI -- Chief of Naval Intelligence

CNMO -- Canadian Naval Mission Overseas

CNO -- Chief of Naval Operations (also OpNav)

CNOB -- Commander, Naval Operating Base

CNR -- Change(s) to Navy Regulations

CNS -- Canadian Naval Service

CNTS -- Chief, Naval Transportation Service; formerly DNTS

*CO -- Coast(al)

CO -- Columbia River

CO -- Combined Operations

CO -- Commanding Officer

CO -- Communications Officer

Co -- Company

COAC -- Commanding Officer, Atlantic Coast

COAirEvacRon -- Commanding Officer, Air Evacuation Squadron

COB -- Committee of Combined Boards

CoC -- Chief of Chaplains

COCEEE -- Committee on Captured Enemy Electronics Equipment

CODAN -- Coded weather analysis

CODIS -- Completed discharge

CODCAVE -- Committee on Decentralization of Controls after V-E Day (War Production Board)

COEV -- Canadian Ocean Escort Vessel

Cof--- -- Chief of --- (Army)

CofG -- Convenience of the Government

COFRON -- Coastal Frontier (USCG)

CofS -- Chief of Staff (Army)

CofT -- Chief of Transportation (Army)

COGARD -- Coast Guard

COHQ -- Combined Operations Headquarters

COIC -- Combined Operational Intelligence Center

*COL -- College

Col -- Colonel

COLanForASCU -- Commanding Officer, Landing Force Air Support Control Unit

COLO -- Colorado

COLOD -- "Completed Loading"

Com -- Commandant; e.g., ComOne (Commandant, 1st Naval District

*COM -- Commander; e.g., ComAirPac (Commander Air Forces, Pacific)

COM -- Commissioned Officers Mess

Com -- Common

Com -- Communication

ComAir -- Commander Aircraft

ComAir -- Commander Air Forces

ComAT -- Commodore Air Train

*COMB -- Combined

ComBasFrance -- Commander United States Ports and Bases, France

COMCABCO -- Commercial Cable Company

ComCm -- Communication Countermeasures

*COMD -- Command

COMDAC -- Comite d' Action en France

Comdg -- Commanding

ComdGen -- Commanding General

ComdgOf -- Commanding Officer

Comdr -- Commander

Comdt -- Commandant

ComdtMarCorps -- Commandant, U.S. Marine Corps

ComdtNOB -- Commandant, Naval Operating Base

ComdtNY -- Commandant, Navy Yard

Com(D)WA -- Commodore (Destroyers) Western Approaches (GB)

ComExDiv -- Commander Experimental Division

ComFair -- Commander Fleet Air COFT [sic] [ COMFT?] -- Commander Fleet Train

ComGen -- Commanding General

ComGenMed -- Commanding General, U.S. Army Forces, Mediterranean Theater of Operations

ComGenPOA -- Commanding General, U.S. Army Forces, Pacific Ocean Areas

ComGenTEN -- Commanding General, Tenth Army

ComGrePat -- Commander Greenland Patrol

Comin -- Commander Minecraft

CominCh -- Commander-in-Chief, United States Fleet (formerly, CinCUS)

CominDiv -- Commander Minecraft Division

CominGrp -- Commander Mine Group

ComGrpOK -- Commander Mine Group Okinawa

CominLant -- Commander Mine Force, Atlantic Fleet

CominPac -- Commander Minecraft, Pacific Fleet

CominRon -- Commander Mine Squadron

ComInst -- Communications Instructions

COMLO -- Combined Operations Material Liaison Officer

*COMM -- Communications

"Commando" -- See R5C-#

ComMARIANAS -- Commander MARIANAS

#COMMDET -- Commissioning Detail

Commo -- Commodore

COMNAS(EA) -- Commodore Naval Air Stations, East Africa (GB)

ComNavEastLantMed -- Commander U.S. Naval Forces Eastern Atlantic and Mediterranean

ComNavJap -- Commander Naval Activities Japan

ComNavNAW -- Commander U.S. Naval Forces, Northwest African Waters

ComNorPac -- Commander U.S. Naval Forces, Northern Pacific

Como -- Commodore

ComO -- Communications Officer

ComOrTexGru -- Commander Orange, Texas Group, Inactive Fleet, Atlantic Fleet

*COMP -- Composite

CompGenDec -- Comptroller General Decisions

Com(No.)PhibFor -- Commander (No.) Amphibious Force; e.g., Com3rdPhibFor

ComPatPlaneRepRonsPac -- Command Patrol Plane Replacement Squadrons Pacific

CompoRon -- Composite Squadron

Composite -- Combination Diesel electric and Diesel geared drive

#COMPRET -- Upon completion thereof return to station

CompRon or CompoRon -- Composite Squadron

#COMPTEM -- Upon completion of temporary duty

#COMPTEMDET -- Upon completion of temporary duty detached

#COMPTEMINS -- Upon completion of temporary duty under instruction

COMRATS -- Commuted Rations

ComRoute -- Commander-in-Chief, U.S. Fleet, Convoy and Routing Section

Com(location)SeaFron -- Commander (location Sea Frontier; e.g., ComGuilfSeaFron

ComSerForSoPacSubCom -- Commander Service Force South Pacific Subordinate Command

COMSQN -- Communications Squadron (USMC)

CoMTBFlot -- Commander Motor Torpedo Boat Flotilla

CoMTBRon -- Commander Motor Torpedo Boat Squadron

CoMTBRonTraCent -- Commander Motor Torpedo Boat Squadron Training Center

ComTonGru -- Commander Tongue Point Group, Inactive Fleet, Pacific Fleet

ComTrainCarRonPac -- Commander Carrier Training Squadron, Pacific Fleet

ComUSBasFrance -- Commander U.S. Ports and Bases, France

ComZ or ComZone -- Communications Zone

*CON -- Consul

CON -- United States Safety-at-Sea Committees for the Revision of the International Convention of 1929 (USCG)

CONAB -- Commanding Officer, Naval Advanced Base

CONAB -- Commanding Officer, Naval Air Base

Con act d -- Continuous active duty

CONAIR -- Commanding Officer, Naval Air Wing

CONALT -- Construction and repair, alteration (USCG)

CONAS -- Commanding Officer, Naval Air Station

#CONASAERO -- These orders constitute assignment to duty in a part of the aeronautic organization of the Navy

"Conestoga" -- See RB-#

Conf -- Confidential

Conf -- Confine(d), confinement

ConfBul -- Confidential Bulletin

Confid -- Confidential

CONHYDROLANT -- Confidential hydrographic Office Reports (Atlantic)

Conn -- Connecticut

#CONPRESDU -- Continue Present Duty

ConRoute -- Convoy and Routing Section (US Fleet)

CONSOL -- British name for German "Sonne"; see LORAN

Const -- Construction

Constr -- Construction

#CONTREAT -- Continue treatment at (naval hospital or medical activity indicated)

Conv -- Convict (ed) (ion)

ConVAir -- Consolidated-Vultee Aircraft Corporation

ConvDD -- Converted Destroyer

#CONVERS -- Connection conversion

Convn -- Convenience

CoP -- Co-Pilot

COPP -- Combined Operations Pilotage Party

*COR -- Corps

*CORD -- Coordinate (ion) (ator)

Cord -- Coordinating of Research and Development

COREP -- Combined Overload Repair Control

"Coronado" -- See PB2Y-2-3-5-5R

Corp -- Corporal (USMC)

Corp -- Corporation

"Corsair" -- See F3A-#, FG-#, F4U-#

*CORT -- Escort

CortDiv -- Escort Division

COS -- Chief of Staff (USMC)

COSD -- Combined Operations Supply Depot

COSMD -- Combined Operations Signal Maintenance Depot

COSMO -- Combined Operations Signal maintenance Officer

COSO -- Combined Operations Signal Officer

COSSAC -- Chief of Staff, Supreme Allied Command

COSU -- Combined Operations Scout Unit (now NSU)

COTC -- Commander Fleet Operational Training Command

COTCLant -- Commander Fleet Operational Training Command, Atlantic Fleet

COTCPac -- Commander Fleet Operational Training Command, Pacific Fleet

COTCPacSubCom -- Commander Fleet Operational Training Command Subordinate Command

COTP -- Captain of the Port (USCG)

COUSNAB -- Commander of U.S. Naval Advanced Base (Weser River, Germany)

COUSS-- -- Commanding Officer, United States Ship (name of ship)

COX -- Coxswain

CoxCBS -- Coxswain, Construction Battalion, Stevedore

CoxSRR -- Coxswain, Ship Repair, Rigger

CoxSRS -- Coxswain, Ship Repair, Canvasman

Coy -- Company (USMC)

CP -- Cable Censor

CP -- Catapult

CP -- Command Post (Army)

CP -- Communication Personnel (USMC)

CPA -- Civilian Production Administration

CPAD -- Central Pay Accounts Division

CPC -- Chief Pay Clerk

CPC -- Chief Planning and Control Staff (USCG)

CPC -- Crafts, protective and Custodial Series (Civil Service employees designation)

CPCU -- Custody Pending Completion of Use

CPD -- Central Procurement Division (USMC)

CPD -- Counter-Propaganda Directorate (GB)

CPFF -- Cost plus fixed fee

CPhM -- Chief Pharmacist's Mate

CPhMDP -- Chief Pharmacist's Mate, Dental Prosthetic Technician

CPho -- Chief Photographer

CPhoM -- Chief Photographer's Mate

CPI -- Public Information Division (USCG)

CPIC -- Combined Photographic Interpretation Center

Cpl -- Corporal

CPL&D -- Civilian Personnel Letters and Dispatches

CPM -- Chief Patternmaker

CPO -- Chief Petty Officer

CPR -- Program Planning Division (USCG)

CPRB -- Combined Production and Resources Board (US & GB) (Washington)

CPrtr -- Chief Printer

CPrtrL -- Chief Printer, Lithographer

CPrtrM -- Chief Printer, Offset Process

CPS -- Combined Staff Planners

Cps -- Cycles per second

CPtr -- Chief Painter

CptrV -- Chief Painter, Aircraft

CPX -- Command Post Exercise (Army)

C/Q -- Certificate of assignment of quarters

C/Q(not) -- Not assigned to quarters

C/Q(Term.date) -- Termination of assignment (date) to quarters

CQM -- Chief Quartermaster

CQMC -- Chief Quartermaster Clerk

CQTU -- Carrier Qualification Training Unit

CR -- Camera Repairman

C/R -- Change of Rating

C&R -- (Bureau of) Construction and Repair (until 1940)

C&R -- Convoy and Routing Section

CR -- Creditable record

CR -- Cryptographer

CR -- Heavy or Light Cruiser (GB)

CR -- USNR officer designation. See C and R. Formerly (C)-R

CRA -- Air-Sea Rescue Agency (USCG)

*CRA -- Craft

Cra -- Cramp Shipbuilding Company

CRACC -- Communication and Radar Assignment Coordinating Committee

CRAG -- Carrier Replacement Air Group

CRC -- Central Requirements Committee

CRC -- Combined Rubber Committee

CRdM -- Chief Radarman

CRE -- Chief Radio Electrician

CRED -- Credit

CRF -- Cryptographic Repair Facility

CRIME -- Censorship Records and Information, middle East

CRM -- Chief Radioman

CRMB -- Combined Raw Materials Board (US & GB) (Washington)

CRO -- Cathode Ray Oscilloscope

CRO -- Civilian Repair Organization, Aircraft

Cross -- Red Cross

CRPM -- Combined Registered Publication Memoranda

CRPM -- Communication Registered Publication Memoranda

CRT -- Cathode Ray Tube

CRT -- Chief Radio Technician

CRU -- Cruiser

CruBatFor -- Cruisers, Battle Force

CruDiv -- Cruiser Division

CRUIT -- Recruit(ing)

CruitSta -- Recruiting Station

CruLant -- Cruisers, Atlantic Fleet

CruLantFlt -- Cruisers, Atlantic Fleet

CruPac -- Cruisers, Pacific Fleet

CruPacFlt -- Cruisers, Pacific Fleet

CruScoFor -- Cruiser Scouting Force

CruScoRon -- Cruiser Scouting Squadron

CRWO -- Coding Room Watch Officer

Crypto -- Cryptographic

CS (number) -- Admiral Commanding (number) Cruiser Squadron

C/S -- Chief of Staff

CS -- Cirrostratus

CS -- Coco Solo, Canal Zone

CS -- Commissary Store

CSA -- Chief Special Artificer

CSA -- Consular Shipping Adviser

CSAB -- Combined Shipping Adjustment Board (US & GB)

CSAD -- Chief Special Artificer, Synthetic Training Devices

CSAI -- Chief Special Artificer, Instruments

CSAITR -- Chief Special Artificer, Instruments, Typewrite and Office Equipment Repairman

CSAIWR -- Chief Special Artificer, Instruments, Watch Repairman

CSAO -- Chief Special Artificer, Optical

CSC -- Civil Service Commission

CSC -- Combined Shipbuilding Committee

CSClk -- Chief Ship's Clerk

CSDIC -- Combined Services Detailed Interrogation Center

CSDIC NOI -- Combined Services Detailed Interrogation Center--Non-Operational Intelligence

CSF -- Caribbean Sea Frontier

CSF -- Chief Shipfitter

CSFCBM -- Chief Shipfitter, Construction Battalion, Mechanical Draftsman

CSFCBP -- Chief Shipfitter, Construction Battalion, Pipefitter and Plumber

CSFCBR -- Chief Shipfitter, Construction Battalion, Rigger

CSFCVS -- Chief Shipfitter, Construction Battalion, Steel Worker

CSFCBW -- Chief Shipfitter, Construction Battalion, Welder

CSFPSC -- Commander, Subordinate Command, Service Force, Pacific Fleet

CSFSR -- Chief Shipfitter, Ship Repair

CSFSRP -- Chief Shipfitter, Ship Repair, Pipe Fitter and Plumber

CSFSRW -- Chief Shipfitter, Ship Repair, Welder

CSHS -- Chief Superintendent of Hydrographic Supplies

CSigO -- Chief Signal Officer (Army)

CSk -- Chief Storekeeper

CSkCB -- Chief Storekeeper, Construction Battalion, Stevedore

CSkD -- Chief Storekeeper, Disbursing

CSkT -- Chief Storekeeper, Technical

CSkV -- Chief Storekeeper, Aviation

CSM -- Chief Signalman

CSM -- Commodore Superintendent, Malta (GB)

CSO -- Communication Standing Order

CSoM -- Chief Sonarman

CSomH -- Chief Sonarman, Harbor Defense

CSp -- Chief Specialist

CSP -- Combined Staff Planners

CSP -- Communications Security Publication

CSpA -- Chief Specialist, Physical Training Instructor

CSPM -- Communication Security Publication Memorandum

CSpMP -- Chief Specialist, Motion Picture Production

CSpO -- Chief Specialist, Petroleum Inspector

CSpPBL -- Chief Specialist, Laboratory

CSpPPG -- Chief Specialist, Photogrammetry Chief Specialist, V-Mail

CSpPVM -- Chief Specialist, Graphic Arts

CSpR -- Chief Specialist, Identification

CSpR -- Chief Specialist, Recruiter

CSpS -- Chief Specialist, Personnel Supervisor V-10

CSpS -- Chief Specialist, Shore Patrol and Security

CSpT -- Chief Specialist, Teacher

CSpTLT -- Chief Specialist, Link Trainer Instructor

CSpV -- Chief Specialist, Transport Airman

CSpW -- Chief Specialist, Chaplain's Assistant

CSpX -- Chief Specialist, All Designators

CSpY -- Chief Specialist, Control Tower Operator

CSSA -- Clothing and Small Stores Account

CSSF -- Clothing and Small Stores Fund

CSSM -- Chief Ship's Service Man

CSSMB -- Chief Ship's Service Man, Barber

CSSMC -- Chief Ship's Service Man, Cobbler

CSSML -- Chief Ship's Service Man, Laundryman

CSSMT -- Chief Ship's Service Man, Tailor

CSt -- Chief Steward

CT -- Cartographer

CT -- Chief Telegrapher

CT -- Combat Team

CT -- Crystal Grinders

CT -- USNR officer designation. See C and T. Formerly (C)-T.

CTC -- Chief Turret Captain

CTC -- Combined Training Center

CTCLS -- Court of Claims

CTD -- Commander Transportation Division

CTF -- Central Task Force

CTF -- Commander Task Force

CTG -- Commander Task Group

CTM -- Chief Torpedoman's Mate

CTME -- Chief Torpedoman's Mate, Electrical

CTMV -- Chief Torpedoman's Mate, Aviation

CTorp -- Chief Torpedoman

CTU -- Commander Task Unit

CU -- Cumulus

CU -- New York to Netherlands West Indies (routing designation)

CU -- New York to United Kingdom (routing designation)

"Cub" -- An advanced base unit consisting of all the personnel and material necessary for the establishment of a medium sized advanced fuel and supply base

CUCB -- Cumulus and Cumulonimbus

CUDWR -- Columbia University Division of War Research

Cur -- Curtis design (ship engines)

CUS -- Course

*CUT -- Cutter

CV -- Cavite, P.I. (Navy Yard)

CV -- Aircraft Carrier

CVAC -- Consolidated-Vultee Aircraft Corporation

CVB -- Aircraft Carrier, Large

CVB -- Reserve Vessel Board (USCG)

CVE -- Aircraft Carrier, Escort

C-V(G) -- USNR officer designation for communication officers, commissioned and warrant, including radio electricians, qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by one of the following: (C), (C)L, (CD), (S) or S(C).

CVL -- Aircraft Carrier, Small

C-V(L) -- USNR officer designation for commissioned communication officers qualified for liaison duties with commercial communication industry and government communication agencies. This classification was abolished in September 1944 and replaced by S(C10.

CVLG(N) -- Night Fighter Air Group

CVS -- Seaplane Carrier

C-V(S) -- USNR officer designation for communication officers, commissioned and warrant, including radio electricians, qualified for specialist duties. This classification was abolished in September 1944 and replaced by one of the following: (C), (C)L, (CD), (S), or S(C)

C-V(X) -- USNR officer designation for communication officers qualified for Naval Communications intelligence and security duties. This classification was abolished in September 1944 and replaced by S(C2).

CW -- Chemical Warfare

CW -- Continuous Wave (radio symbol for code transmission) CWA -- Canadian Western Approaches

CWO -- Commissioned Warrant Officer

CWO -- Communications Watch Officer

CWPI -- Coast Watching and Communications in the South Pacific Islands (GB)

CWS -- Chemical Warfare Service (Army)

CWSF -- Commander Western Sea Frontier

CWT -- Chemical Warfare Specialist, Medical

CWT -- Chief Water Tender

CX -- USNR officer designation. See C and X. Formerly (C)-X.

CY -- Chief Yeoman

"Cyclone" -- Naval aircraft engine, 9 (14)(18) cylinders, manufactured by Wright

CZ -- Combat Zone (Army)

CZ -- Panama Canal Zone
--- D ---

D -- First letter in the Navy aircraft designation, indicating a drone plane

D(No.) -- Commanding Officer (number) Destroyer Flotilla

D -- Douglas Aircraft Company (manufacturer's symbol)

D -- Droppable Fuel Tank (suffix to plane designation); as F4U-1D

D -- Duty

D -- McDonnell Aircraft Corporation (manufacturer's symbol)

D -- Radioplane Company (manufacturer's symbol)

D -- USNR officer designation for General Service, Deck Duties. Formerly (D).

DA -- Defense Aid (Lend Lease) (appropriation title)

DA -- Delayed Action

DA -- Direct Action (Bomb Fuze)

DA -- Double Acting

DAA&AM -- Defense Aid (Lend Lease) Aircraft and Aeronautical Material

DAAE -- Defense Aid (Lend Lease) Administration Expenses

DAAI&OC -- Defense Aid (Lend Lease) Agricultural, Industrial and Other Commodities

DABLC -- Director, Advanced Base Logistics Control

DABOA -- Director, Advanced Base Office, Atlantic

DABOP -- Director, Advanced Base Office, Pacific

DAF&E -- Defense Aid (lend Lease) Facilities and Equipment

DAGO -- District Aviation Gas Office

DAM -- Damage

DAMR(W) -- Director of Aircraft Maintenance and Repair (Washington)

DAO -- District Accounting Office(r)

DAO -- District Ammunition Office (Army)

DAO -- District Aviation Office(r)

DAO&OS -- Defense Aid (Lend Lease) Ordnance and Ordnance Stores

DAS&E -- Defense Aid (Lend Lease) Services and Expenses

DASF -- Defense Aid (Lend Lease) Special Fund

DATO -- Disbursing and transportation Office

DAT&OV -- Defense Aid (Lend Lease) Tanks and Other Vehicles

DATRDA -- Defense Aid (Lend Lease) Testing, Reconditioning etc. of Defense Articles

"Dauntless" -- See SBD-#

DAV&OW -- Defense Aid (Lend Lease) Vessels and Other Watercraft

Db -- Decibell (unit of measure)

DB or D/B -- Dive Bomber Aircraft

DBH -- Division Beachhead (Army)

Dbl -- Double Reduction Gears

DBSO -- District Base Service office

DC -- "Daisy Cutter"

DC -- Deck Court

DC -- Dental Corps

DC -- Depth Charge (aerial)

DC -- Direct Current

DC -- District of Columbia

DC -- USN officer designation for Dental Corps, USN

DC -- Washington, D.C.

DCA -- Defense Contre Avion (France)

DCB -- Defense Communications Board

DCC -- District Communications Center

DCCAO -- Deputy Chief Civil Affairs Officer (US and GB)

DCGO -- District Coast Guard Officer; DCGO, one, two, etc.: DCGO 1st, 2nd, etc. Naval District

DCh -- Depth Charge

DCh -- District Chaplain

DCNO -- Deputy Chief of Naval Operations

DCNS -- Deputy Chief of Naval Staff (USMC)

DCO -- District Camouflage Office(r)

DCO -- District Clothing Office(r)

DCO -- District Communications Office(r)

DCO -- Duty Cypher Officer (GB)

DCO(I) -- Director of Combined Operations (India)

DCO(ME) -- Director of Combined Operations (Middle East)

DCofS -- Deputy Chief of Staff

DCP -- Director of Civilian Personnel

DCPB -- Departmental Civilian Personnel Branch

DCPO -- District Civilian Personnel Office(r)

DCR -- USNR officer designation for General Service, Dental Corps. Formerly DC.

DCRO -- District Civil Readjustment Office(r)

DCS -- USNR officer designation for Special Service, Dental Corps. Formerly DC(S).

DC-V(G) -- USNR designation for dental officers qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by DC or DC(S).

DC-V(S) -- USNR designation for dental officers qualified for specialist duties. This classification was abolished in September 1944 and replaced by DC or DC(S).

DCW -- USNR officer designation for Women's Reserve, Dental Corps. Formerly DC(W).

DD -- Destroyer

DD -- Dishonorable Discharge

DD -- Drydock

DDAS (ET) -- Deputy Director fo Armament Supply (Eastern Theater)

D-Day -- Day set for assault by land forces

DDCO (I) -- Deputy Director fo Combined Operations (India)

DDD -- Diesel direct drive

DDGC -- Dishonorable Discharge, General Corut Martial, after confinement in prison

DDGI -- Dishonorable Discharge, General Corut Martial, immediate

DDGP -- Dishonorable Discharge, General Court Martial, after violation of probation

DDO -- Destroyers, Disbursing Office

DDO -- District Dental Office(r)

DDODI -- Deputy Director Operation Division Irregular (British Admiralty)

DDT -- Dichloro-Dophenyl-Trichloroethane; an insecticide

DDTO -- District Domestic Trannsportation Office(r)

DE -- Destroyer Escort

DE -- Double-ended, cylindrical boiler

DE -- USNR officer designation for General Service, Deck and Engineering Duties. Formerly (DE).

Dec -- December

Decca (QM) -- British Long Range Radio Aid to Navigation

Decl -- Declared

DEDD -- Diesel electric direct drive

*DEF -- Defense

DefSec -- Defense Dector

Deg -- Degree(s)

Deg and Dep -- Degaussing and Deperming

Deg Range -- Degaussing Range

DEL -- Delaware

Del -- Deliver(ed)

*DEL -- Delivery

#DELREP -- Authorized to delay (number of days indicated or until date indicated) in reporting in compliance with these orders, such delay to count as leave. Keep BuPers and new station advised address.

DE-M -- USNR designation for Deck and Engineer Officers, Merchant Marine, qualified for Deck and Engineering or other appropriate duties. This classification was abolished in September 1944 and replaced by (DEM) or S(DEM).

DEM -- USNR officer designation for General Service, Deck and Engineering, Merchant Marine. Formerly (DEM).

DEM Bomb -- Demolition Bomb

DEML -- Detached Enlisted Men's List (Army)

DEMN -- USNR officer designation. See DEM and N. Formerly (DEM)-N.

DEMO -- Demolition

DEMOB -- Demobilization

DEMR -- USNR officer designation. See DEM and R. Formerly (DEM)-R.

DEMS School -- Defensively Equipped Merchant Ship School (British)

DEMT -- USNR officer designation. See DEM and T. Formerly (DEM)-T.

DEMX -- USNR officer designation. See DEM and X. Formelry (DEM)-X.

DEN -- USNR officer designation. See DE and N. Formerly (DE)-N.

DEO -- District Engineer Officer (Army)

DEP -- Deposit

*DEP -- Depot

DEPEND -- Allotment for support of dependents

DepermSta -- Deperming and Flashing Station

Dept -- Department

DER -- USNR officer designation. See DE and R. Formerly (DE)-R.

DERD -- Diesel electric reduction drive

Des -- Desert(ed), Deserter, Desertion

*DES -- Destroyer

DesAF -- Destroyers, Asiatic Fleet

DesBatFor -- Destroyer Battle Force

DescoFor -- Destroyer Scouting Force

DesCruPac -- Destroyers/Cruisers, Pacific Fleet

DesDiv -- Destroyer Division

DES EFF -- Deserter's Effects

DesFlot -- Destroyer Flotilla

Desig -- Designate(d), Designation

#-DESIG -- To such (ship, station, or duty) as may be designated (type duty to precede phrase "DESIG"). For example, "LST DESIG" would read "To such LST as may be designated."

Desig NAP -- Designated as Naval Aviation Pilot (USMC)

DesLant -- Destroyers, Atlantic Fleet

DESO -- District Educational Services Officer

DESOIL -- Diesel Oil

DesPac -- Destroyers, Pacific Fleet

DesRep -- Destroyer Repair

DesRep -- Destroyer Representative

DesRon -- Destroyer Squadron

DesSoWesPac -- Destroyers, Southwest Pacific Fleet

DESTN -- Destination

DET -- Absent on detached duty (serving with other than a naval activity)

DET -- Long Hull, General Motors Tandem Diesel Drive

DET -- USNR officer designation. See DE and T. Formerly (DE)-T.

*DET -- Detachment

*DET -- Detail

Det d -- Detached duty

*DEV -- Development

"Devastator" -- See TBD-#

DE-V(G) -- USNR designation for deck and engineer officers qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by (DE)

DE-V(S) -- USNR designation for deck and engineer officers qualified for specialist duties. This classification was abolished in September 1944 and replaced by one of the following: (D), (D)L, (E), (E)L, (DE), (S), S(E), or S(E) with proper numeral indicating particular specialty within engineering

DEX -- USNR officer designation. See DE and X. Formerly (DE)-X.

*DEY -- Deputy

DF -- Delay Fuse

DF or D/F -- Direction Finder (radio)

DFC -- Distinguished Flying Cross

DFCO -- Duty Flying Control Officer

DFSB -- Defense Force Section Base

DFT -- Director, Fleet Training

DG -- Degaussing

DGD -- Diesel geared drive

DG-MG -- Diesel geared-Motor geared

DGO -- Degaussing Officer

DGRO -- Degaussing Range Officer

DGT -- Dental Technology General

DGTO -- Degaussing Technical Officer

DGWO -- Degaussing Wiping Officer

DHIRS -- District Headquarters Induction and Recruiting Station (USMC)

DHO -- District Historical Office(r)

DHQ -- Division Headquarters (Army)

DI -- District Inspector

DI -- Drill Instructor (USMC)

DIC -- Detailed Interrogation Center

DI/ES -- Vessels disposed of by sinking, burning, abandoning or other means of destruction

DIEGO -- San Diego, California

DIES -- Diesel

Dif -- Difference

DIF -- Direction Finder (radio)

DIF -- Duty involving flying

DIFF PAY -- Difference in pay

DI/FLC -- Vessels in Forward Areas transferred to State Department (Foreign Liquidation Corporation) for disposition

DI/INT -- Vessels under cognizance of the Commandants Tenth and Fourteenth Naval Districts transferred to the Department of the Interior for disposition

DIIO -- District Industrial Incentive Office(r)

DIM -- District Industrial Manager

DINA -- Direct noise amplifier (airborne radar transmitter)

DINO -- Deputy Inspector of Naval Ordnance

DIO -- District Intelligence Office(r)

*DIR -- Director

#DIRDET -- When directed by the commanding officer or commander designated, detached from duty indicated and from such other duty as may have been assigned.

DIREC -- Direction

DI/RET -- Vessels returned to their original owners

DirLantDocks -- Director, Atlantic Division, Bureau of Yards and Docks

DirNavHist -- Director of Naval History

DIRO -- District Industrial Relations Officer; changed to District Labor Relations Office (DLRO) in 1943.

DirPacDocks -- Director, Pacific Division, Bureau of Yards and Docks

DIS -- Discharged

*DIS -- Dispatch

DI/SAL -- Vessels disposed of by sale through Navy Material Redistribution Agency

*DISB -- Disbursing

Disc -- Discontinue(d)

DI/SCP -- Vessels disposed of by scraping

DISCREP -- Discrepancy report

Disemb -- Disembark(ed)

DIS GRAT -- Discharge gratuity

Disp -- Dispatch

Disp -- Dispensary

Disp -- Disposal

*DIST -- District

DISTRIB -- Distribution; Redistribution

DI/TES -- Vessels disposed of by using as targets and tests

DI/TRN -- Vessels transferred to other Government Agencies and miscellaneous activities

DIV -- Deep Sea Diving

DIV -- Diver

*DIV -- Division

DivCom -- Division Commander

DI/WSA -- Vessels transferred to War Shipping Administration--Maritime Comission for disposition

DL -- Destroyer Leader

DL -- USNR officer dsignation for Limited General Service, Deck Duties. Formerly (D)L.

DLN -- USNR officer designation. See DL and N. Formerly (DL-N.

DLNC -- Deputy Local Naval Commander

DLO -- District Legal Office(r)

DLR -- USNR officer designation. See DL and R. Formelry (D)L-R.

DLRO -- District Labor Relations Office(r)

DLT -- Deck Landing Training

DLT -- USNR officer designation. See DL and T. Formerly (D)L-T.

DLTS -- Deck Landing Training School

DLX -- USNR officer designation. See DL and X. Formerly (D)L-X.

DM -- Adamsite

DM -- Light Minelayer

DM -- Master Diver

DM -- USNR officer designation for General Service, Deck, Merchant Marine. Formerly (DM).

D-M -- USNR designation for deck officers, Merchant Marine, commissioned and warrant, including boatswains, qualified for deck or appropriate administrative duties. This classification was abolished in September 1944 and replaced by (DM), (DM)L, or S(DM).

DMI -- Directorate of Military Intelligence (British War Office)

D-Minus 1, etc. -- D-day minus 1, 2, etc. days (before attack)

DML -- USNR officer designation for Limited General Service, Deck, Merchant Marine. Formerly (DM)L.

DMLN -- USNR officer designation. See DML and N. Formerly (DM)L-N.

Dml O -- Demolition Officer (Army)

DMLR -- USNR officer designaiton. See DML and R. Formerly (DM)L-R.

DMLT -- USNR officer designation. See DML and T. Formerly (DM)L-T.

DMLX -- USNR officer designation. See DML and X. Formerly (DM)L-X.

DMN -- USNR officer designation. See DM and N. Formerly (DM)-N.

DMO -- Directorate of Military Operations (GB)

DMO -- District marine Officer

DMO -- District Material Officer

DMO -- District Medical Officer

DMP -- Disarmed military personnel

DMR -- USNR officer designation. See DM and R. Formelry (DM)-R.

DMS -- Mine Sweeper (converted DD)

DMT -- USNR officer designation. See DM and T. Formerly (DM)-T.

DMX -- USNR officer designation. See DM and X. Formerly (DM)-X.

DN -- USNR officer designation. See D and N. Formerly (DN)-N.

DNC -- Director of Naval Communications (changed to NC, October 1945)

DNI -- Director of Naval Intelligence

DNI -- Directorate of Naval Intelligence (British Admiralty)

DNI -- Division of Naval Intelligence

DNOP -- Director fo Naval Officer Procurement

DNP -- Reservists in drill non-pay status

DNTS -- Director Naval Transportation Service; now, CNTS.

DO -- Dental Officer

DO -- Disbursing Officer

DO -- Diver, First Class

DO -- Duty Officer

DO(No.) -- Radio controlled glider bomb carrier

*DOCKS -- Bureau of Yards and Docks

DOD -- Died of disease

DofS -- Depot of Supplies (USMC)

DofS (W) -- Director fo Stores (Washington)

Dog -- "D" in the phonetic alphabet

DOL -- Detached Officer's List (Army)

DOL(S) -- Dollar(s)

DOO -- District Operations Office(r)

DOO -- District Ordnance Office(r)

"DOODLE BUG" -- Pilotless Flying Bomb (V-!)

DOT -- Dictionary of Occupational Titles

"Double Wasp" -- Naval Aircraft engine, 18 cylinders, manufactured by Pratt and Whitney

DOV -- Disbursing Officer's Voucher

DP -- Dental Prosthetic Technician

DP -- Department of the Pacific (USMC)

DP -- By Direction of the President

DP -- Displaced Persons

DP -- Double Purpose Gun

DPC -- Defense Plants Corporation

DPD -- Director, Personnel Department (USMC)

DPD -- District Port Director

DPIO -- District Public Information Office(r)

DPLO -- District Postal Liaison Officer

D-plus 1, etc. -- D-Day plus 1, 2, etc. days (after attack)

DPMC -- Director of Personnel Marine Corps

DPO -- District Personnel Office(r)

DPO -- District Postal Office(r)

DPPO -- District Publications and Printing Office

DPRO -- District Public Relations Office(r)

DPT -- Dental Technology Prosthetic

DPTO -- District Property Transportation Office(r)

DPWO -- District public Works Office(r)

DQM -- Depot Quartermaster (USMC)

DQN -- Depot Quartermaster, Naval Operating Base, Norfolk (USMC)

DQP -- Depot Quartermaster, Philadelphia (USMC)

DQPH -- Depot Quartermaster, Pearl Harbor (USMC)

DQQ -- Depot Quartermaster, Quantico (USMC)

DQR -- Depot Quartermaster, Richmond (USMC)

DQSF -- Depot Quartermaster, San Francisco (USMC)

D/R -- Dead Reckoning

DR -- Destroyer (GB)

DR -- Diesel Radial (aircraft engine)

D/R -- Directional Radio

D/R -- Dispatch Rider (USMC)

Dr -- Drill

DR -- USNR officer designation. See D and R. Formerly (D)-R.

DRA -- Dead Reckoning Analyzer

DrewUnit -- Shipping designator for assemblies scheduals to go to Europe for the Normandy invasion

DRM -- Dental Repair Technician

DRMO -- District Records Management Officer

DRMAJ -- Drum Major (USMC)

Drone -- Pilotless F6F "Hellcat"

DRP -- Dead Reckoning Plotter

DRT -- Dead Reckoning Tracer

DRU -- Demolition Research Unit

D/S -- Detached Service (Army)

D/S -- Direct Support Army)

DS -- Diver, Salvage

DSA -- Division Service Area (Army)

DSC -- Defense Supply Corporation

DSC -- Distinguished Service Cross DSM -- Direction de Service de Securite Militaire (France)

DSM -- Distinguished Service Medal

DSO -- District Security Office(r)

DSO -- District Service Office(r)

DSO -- District Supply Office(r)

DSR -- Duty Steam or Power Boat

DSSO -- District Ships Service Office(r)

DST -- Dermatology and Syphilology Technician

DT -- Diver, Second Class

DT -- USNR officer designation. See D and T. Formerly (D)-T.

DTB -- Destroyer Tactical Bulletin

DTG -- Date time group

Dtl -- Detail(ed)

DtlAvr -- Detailed as Aviator (USMC)

DTO -- District Training Office(r)

DTO -- District Transportation Office(r)

#*DU -- Duty

"Duck" -- See J2F-3-5, JF-6

#DUCON -- Duty connection

#DUFLY -- For duty involving flying

#DUFLYTECH -- Duty involving flying as a technical observer

#DUFLYTECHNAV -- Duty involving flying as a technical observer non-pilot navigator

DUKW -- Amphibious truck

DUMBO -- Rescue Plane (usually PB type)

DUPE -- Duplicate

Dur -- During

DUT -- Duplication Technician, Photolithography

DUT -- Physically on board for duty in ship's company

#DUTOUT -- For duty outside the continental limits of the United States

D-V(G) -- USNR designation for deck officers, commissioned and warrant, including boatswains, gunners, and torpedomen, qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by (D) or (D)L.

D-V(S) -- USNR designation for deck officers, commissioned and warrant, including boatswains and ship's clerks, qualified for specialist duties. This classification was abolished in September 1944 and replaced by (D), (D)l, (S), or S with proper special designator suffix.

DWA -- Died of wounds resulting from action with enemy.

DWBO -- District War Bond Office(r)

DWPO -- District War Plans Officer

DWT -- Deadweight Tons

DX -- USNR officer designation. See D and X. Formerly (D)-X.

--- E ---

E -- Bellanca Aircraft Corporation (manufacturer's symbol)

E -- Edo Aircraft Corporation (manufacturer's symbol)

E -- Electronic night bombing installation (suffix to plane designation)

E -- Gould Aeronautical Division (Pratt, Read & Co.)

E -- Electrical Equipment Division of the Engineering Department aboard a carrier

E -- Office of Engineering (Engineer-in-Chief) (USCG)

E -- Piper Aircraft Corporation (manufacturer's symbol)

E -- USNR officer designation for General Service, Engineering Duties. Formerly (E).

E/A -- Enemy Aircraft

EA -- East Africa

EA -- Engineer Rear Admiral (GB)

EAC -- Eastern Air Command (CBI Theater)

EAC -- European Advisory Commission

EAD -- Extended Active Duty

EAE -- Aeronautical Engineering Division (USCG)

#EARLPRADATE -- Earliest Practical Date

EASTCO -- East Coast

EastCon -- Eastern Sea Frontier Control Local of Shipping in Gulf of Maine

EASTOMP -- East-Ocean Meeting point

EastSeaFron -- Eastern Sea Frontier

Easy -- "E" in the phonetic alphabet

E.B.Co. -- Electric Boat Company

EC -- Electric Coding (Cipher) Machine Repairman

EC -- Engineering Construction

ECAD -- European Civil Affairs Division

ECAR -- European Civil Affairs Regiment

Ech -- Echelon

"Echo" -- Reflected Signal (radar)

ECM -- Electric Coding or Cipher Machine

ECV -- Civil Engineering Division (USCG)

ED -- Eastern District

ED -- Electric Dynamic (Motors)

ED -- Engineering Draftsman

ED -- Extra Duty

ED -- Fingerprint Expert

EDC -- Eastern Defense Command (Army)

EDDC -- East Coast (Naval Publications) Distribution Center

EDO -- USN officer designation for Engineering Duty Only

EEE -- Electronics Engineering Division (USCG)

EEN&T -- Eye, Ear, Nose and Throat

EE&RM -- Elementary Electrical and Radio Material (Training School)

Eff -- Effect(ed), Effective

EF & LTC -- Enemy Fuels and Lubricants Technical Committee

EFM -- Expeditionary Force Message

EFTS -- Elementary Flying Training School

EG -- Expert Gunner (Army)

EG -- Escort Group

EIL -- Explosives Investigation laboratory

EL -- USNR officer designation for Limited General Service, Engineering Duty. Formerly (E)L.

ELEC -- Electrician

Elect -- Electric(ian); Electric(al)

EL/G or

ELG -- Emergency Landing Ground

ELN -- USNR officer designation. See EL and N. Formerly (E)L-N.

ELR -- USNR officer designation See EL and R. Formerly (E)L-R.

ELSB -- Edge Lighted Status Board

ELT -- Electrocardiography and Basal Metabolism Technician

ELT -- USNR officer designation. See EL and T. Formerly (E)L-T.

ELTC -- Enlisted loss to commissioned status

ELTW -- Enlisted loss to warrant status

ELX -- USNR officer designation. See EL and X. Formerly (E)L-X.

EM -- Educational Manual

EM -- Electrician's Mate

E.M. -- Electro-Motive Corporation

EM -- Engine Maintenance

EM -- Enlisted man (men)

EM -- USNR officer designation for General Service, Engineering Merchant Marine. Formerly (EM).

E-M -- USNR designation for Engineer Officers, Merchant Marine, commissioned and warrant, including electricians, radio electricians, carpenters and machinists, qualified for engineering or other appropriate duties. This classification was abolished in September 1944 and replaced by (EM), (EM)L or S(EM).

Emb -- Embark(ed) (ation)

EMCB -- Electrician's Mate, Construction Battalion

EMCBC -- Electricians Mate, Construction Battalion, Communications

EMCBD -- Electricians Mate, Construction Battalion, Draftsman

EMCBG -- Electricians Mate, Construction Battalion, General

EMCBL -- Electricians Mate, Construction Battalion, Line and Station

EMERG -- Emergency

EML -- USNR officer designation for Limited General Service, Engineering, Merchant Marine. Formerly (EM)L.

EMLN -- USNR officer designation. See EML and N. Formerly (EM)L-N.

EMLR -- USNR officer designation. See EML and R. Formerly (EM)L-R.

EMLT -- USNR officer designation. See EML and T.

EMLX -- USNR officer designation. See EML and X.

EMN -- USNR officer designation. See EM and N. Formerly (EM)-N.

EMR -- USNR officer designation. See EM and R. Formerly (EM)-R.

EMSR -- Electrician's Mate, Ship Repair

EMSRG -- Electrician's Mate, Ship Repair, General Electrician

EMSRS -- Electrician's Mate, Ship Repair, Shop Electrician

EMSRT -- Electrician's Mate, Ship Repair, I.C. Repairman

EMT -- Electrician's Mate, Telephone (USCG)

EMT -- Embalmer

EMT -- USNR officer designation. See EM and T. Formerly (EM)-T.

EMX -- USNR officer designation. See EM and X. Formerly (EM)-X.

EN -- USNR officer designation. See E and N. Formerly (E)-N.

ENC -- Electroencephalography Technician

ENC -- Enlistment Cancelled

ENDEK -- National Democratic Party (Poland)

ENE -- Naval Engineering Division (USCG)

*ENG -- Engineering

Engr -- Engineer

Enl -- Enlist(ed) (ment)

Ens -- Ensign

EOC -- Enemy Oil Committee (US)

EOD -- Date of Entering Officer

EOSO -- Escort Oilers Supervising Officer

EOU -- Enemy Objective Unit (US) (London)

EP -- Engineer Personnel (USMC)

EPC -- End Products Committee (WPB)

EPCO -- Engine Parts Coordinating Office (BuShips)

EPD -- Eastern Procurement Division

EPD -- Eastern Production District

EPF -- Emergency Plant Facilities

EPLA -- Electronics Precedence List Agency

EPR -- Engineer Photographic and Reproduction (USMC)

EQPT -- Equipment

Equip -- Equipment

E&R -- Engineering and Repair (Department)

ER -- Expert Rifleman (USMC)

ER -- USNR officer designation. See E and R. Formerly (E)-R.

ERC -- Enlisted Reserve Corps (Army)

ERO -- Emergency Repair Overseer

ERSA -- Electronic Research Supply Agency

EsCarFor -- Escort Carrier Force

ESCORON -- Escort Scouting Squadron

EscortDiv -- Escort Division

EscortFightRon -- Escort Fighter Squadron

ESF -- Eastern Sea Frontier

ESHU -- Emergency Ship Handling Unit

ESO -- Educational Services Office(r)

ESS -- Educational Services Section

EST -- Epidemiology and Sanitation Technician

ESTAB -- Establish(ment)

ESTAR -- Estimated Arrival Date

ET -- USNR officer designation. See E and T. Formerly (E)-T.

ETA -- Estimated Time of Arrival

ETD -- Estimated Time of Departure

ETD -- Testing and Development Division (USCG)

ETE -- Estimated Time Enroute

ETF -- Eastern Task Force

ETF -- Estimated Time of Flight

ETI -- Estimated Time of Interception

ETM -- Electronic Technician's Mate

ETMSR -- Electronic Technician's Mate, Ship Repair

ETO -- European Theater of Operations

ETOUSA -- European Theater of Operations, United States Army

ETRA -- Estimated Time to Reach Altitude

ETS -- Expiration Term of Service (Army)

*EU -- Europe

EV -- Escort Vessels (enemy)

EVA -- Escort Vessel Administration

Evac -- Evacuation

Evap -- Evaporator

E-V(G) -- USNR designation for Engineer Officers, commissioned and warrant, including electricians, carpenters, and machinists, qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by one of the following: (E) or (e)L, if general service; (S), S(E), or S(E) with proper numeral indicating specialty within engineering, if special service.

E-V(RS) -- USNR designation for Engineer Officers, commissioned and warrant, including radio electricians, qualified for specialist duties. This classification was abolished in September 1944 and replaced by the proper aviation or engineering classification with the suffix "T".

E-V(S) -- USNR designation for Engineer Officers, commissioned and warrant, including electricians, radio electricians and machinists, qualified for specialist duties. This classification was abolished in September 1944 and replaced by one of the following: (E), (E)L, (S), S (E), or S (E) with proper numeral indicating particular specialty within engineering.

EWAS -- Economic Warfare Analysis Section

EWD -- Economic Warfare Division (US) (London)

EWT -- Eastern War Time

EX -- Excess

EX -- Experiment(al)

EX -- Expert

EX -- USNR officer designation. See E and X. Formerly (E)-X.

*EXAM -- Examining board

Exc -- Excellent

"Excalibur" -- See JRS-#

EXCL -- Exclusive

ExDiv -- Experimental Division

EXOS -- Executive Office

Exp -- Experience

Exp -- Express (boiler)

EXP -- Express

ExpDivUnit -- Experimental Diving Unit

*EXPED -- Expedition(ary)

"Expeditor" -- See JRB-1-4

Exp Enl -- Expiration of Enlistment (USMC)

ExSta -- Experimental Station

Ext Enl -- Extension of Enlistment

--- F ---

F -- First letter in the Navy aircraft designation, incidcating a fighter plane

F -- Columbia Aircraft Corporation (manufacturer's symnbol)

F1 -- Commander-in-Chief, Plans Division (USN)

F2 -- Commander-in-Chief, Combat Intelligence Division (USN)

F3 -- Commander-in-Chief, Operations Division (USN)

F37 -- Commander-in-Chief, U.S. Fleet

F4 -- Commander-in-Chief, Readiness Division (USN)

F -- Fairchild Aircraft, Ltd. (Canada) (manufacturer's symbol)

2F -- Two-seater Fighter Aircraft (Naval)

F -- Fitted as Flagship (suffix to plane designation); as: PB2Y-5F

F -- Gruman Aircraft Engineering Corporation (manufacturer's symbol)

F -- Officer designation for Fighter Director (used as suffix)

F -- Fighter Field

F -- Fireman

F -- Fixed (a continuous steady light)

F -- Fleet Reserve

F2 -- Fleet Reserve, 4 or more years

F3 -- Fleet Reserve, 16-20 years

F5 -- Fleet Reserve, 20 or more years

F -- Freight Boats (Army)

F -- French

F -- Frequency

F -- Office of Finance and Supply; Chief, Office of Finance and Supply (USCG)

FA -- Accounting Division (USCG)

FA -- Family Allowance

FA -- Field Artillery (Army)

F2A-# -- "Buffalo"; single-engine Navy fighter (VF), manufactured by Brewster

F3A-# -- "Corsair"; single-engine Navy fighter (VF), manufactured by Brewster

FAA -- Family Allowance Class A

FAA -- Fleet Air Arm (GB)

FAAB -- Family Allowance, Class A and B

FAB -- Family Allowance, Class B

FAB -- Fleet Air Base

FAB -- For'ca Aerea Brasileira

FABU -- Fleet Air Base Unit

*FAC -- Factory

FAC -- Frequency Allocation Committee (CCB)

FAD -- Fleet Air Detachment

"Fade" -- Disappearance of echo from radar screen

FADM -- Fleet Admiiral

FAETUA -- Fleet Airborne Electronics Unit, Atlantic

FEATUP -- Fleet Airborne Electronics Unit, Pacific

#FAGAIRTRANS -- (via) First Available Government Air Transportation

FAGT -- First Available Government Transportation

FAGTrans -- First Available Government Transportation

FAIR -- Fleet Air

FAIR -- Fleet Sir Wing

Fairships -- Fleet Airships

FairshipWing -- Fleet Airship Wing

#FAIRTRANS -- First Available Air Transportation

FAIRWestPac -- Fleet Air Wing, Western Pacific Area

FIARWing -- Fleet Air Wing

"Falcon -- See NSC-#

FAMU -- Fleet Aircraft Maintenance Unit

FANDT -- Fuel and Transportation

FAO -- Fleet Administration Office

FAPG -- Fleet Air Photographic Group

FAPRon -- Fleet Air Photo Squadron

FAS -- Free Alongside

FASA -- Fleet Airships, Atlantic

FASP -- Fleet Airships, Pacific

FASRon -- Fleet Air Service Squadron

FASTULant -- Fleet Ammunition Ship Training Unit, Atlantic

FASTUPac -- Fleet Ammunition Ship Training Unit, Pacific

FATU -- Fleet Air Tactical Unity

FAW -- Fleet Air Wing

FB -- Farrel-Birmingham (ship engines)

FB -- Fighter Bomber Aircraft

F/B -- Flying Boat

FBI -- Federal Bureau of Investigation

FBP -- Fleet Boat Pool

FC -- Fire Control

FC -- Fire Controlman

F4C -- Fleet Reserve, 16-20 years

FCA -- Farm Credit Administration

FCA -- Fire Control Area (Army)

FCA -- Flight Control Assemblies

FCB -- Facility Clearance Board (WPB)

FCC -- Federal Communication Commission

FCE -- Fleet Civil Engineer

FCNL -- French Committee of National Liberation

FCO -- Fire Controlman, Operation

FCO -- Flag Communications Officer

FCO -- Flying Control Officer

FCP -- Fire Control Personnel (USMC)

FCR -- Fire Controlman, Range-finder Operator

FCS -- Fire Controlman, Submarine

FCST -- Forecast

FCT -- Fire Control Technician

FD-# -- Twin-engine Navy Fighter (VF), manufactured by McDonnell

FD -- Fighter direction

FD -- Finance Department (Army)

F3D -- Fleet Reserve, 20 or more years

F4D -- Fleet Reserve, 20 or more years

FDA -- Food Distribution Administration

FDC -- Fire Direction Center (Army)

FDCS -- Fighter Director Control Schools

FDD -- Floating Drydock

FD Net -- Fighter Direction Net

FDO -- Fighter Director Officer

FDS -- Fighter Director Ship

FDT -- Fighter Director Tender

FE -- Far East

FEA -- Foreign Economic Administration

FEAF -- Far Eastern Air Forces

FEC -- (Office of) Foreign Economic Coordination

FECB -- Far East Combined Bureau (Singapore, 1940)

*FED -- Federal

FEO -- Flag Engineering Officer (GB)

FEPC -- Farm Employment Practices Committee

*FER -- Ferry

#FERON -- If transferred, forward this directive immediately to his commanding officer for compliance or further transmittal as appropriate, notifying originator in each case the activity to which transferred and your action in forwarding

FF -- Force Flagship

F2F-# -- Single-engine Navy fighter (VF), biplane, manufactured by Grumman

F3F-# -- Single-engine Navy fighter (VF), biplane, manufactured by Grumman

F4F-# -- "Wildcat"; single-engine Navy fighter (VF), manufactured by Grumman

F6F-# -- "Hellcat"; single-engine Navy fighter (VF), manufactured by Grumman

F6F-#K -- Navy target training drone (VTD), manufactured by Grumman (converted from F6F)

F7F-# -- "Tigercat"; twin-engine Navy fighter (VF(M)), manufactured by Grumman

F8F-# -- "Bearcat"; single-engine Navy fighter, (VF), manufactured by Grumman

FFA -- For Further Assignment

FFDO -- Force Fighter Director Officer

FFI -- Forces Francaises de l'Interieur

FFI -- Fixed and Flashing

FFP -- Fleet Frequency Plans

FFT -- For Further Transfer

FG-# -- "Corsair"; single-engine Navy fighter (VF), manufactured by Goodyear

FGO -- Flag Gunnery Officer

FGpFl -- Fixed and Group Flashing

FH -- Flag Hoist

FHA -- Federal Housing Administration

FIAT -- Field Information Agency, Technical (under G-2, SHAEF)

FIDO -- Fog, Intensive Dispersal of

FIGHT -- Fighting

FightRon -- Fighting Squadron

FIN -- Finance

Fin O -- Finance Officer (Army)

FinSupScol -- Finance and Supply School (USCG)

FIO -- Fleet Intelligence Officer

"Fireball" -- See FR-#

FirsTaskFlt -- First Task Fleet

Fis -- Fiscal

FIU -- Forward Interpretation Unit (Army)

FJ -- Single-engine Navy fighter (VF), manufactured by North American

Fl -- Flashing

FL -- Florida

FL -- Small Signal Search Light

FLA -- Florida

FlaGrp -- Florida Group

Flak -- German anti-aircraft fire; now applied generally to all anti-aircraft fire

FLC -- Foreign Liquidation Commission

FldCk -- Field Cook (*USMC)

FldCk(B) -- Field Cook (Baker (USMC)

FldCK(C) -- Filed Cook (Commissary) (USMC)

*FLE -- Fleet

FliCon -- Flight Controller

FLO -- Florida

FLO -- Follow(ing)

*FLOT -- Flotilla

FLP -- Fighting Landplane

FLP or Flt -- Fleet

Flt -- Flight

FltAct -- Fleet Activities

FltCert -- Flight Certificate

FltGunSch -- Fleet Gunnery School

FltLOSCAP -- Fleet Liaison Officer, Supreme Commander Allied Powers

FltServScol -- Fleet Service School

FltSoundScol -- Fleet Sound School

FltTraCen -- Fleet Training Center

*FLY -- Flight

"Flying Fortress" -- See PB-1W

F.M. -- Fairbanks, Morse & Company

FM -- Field Music (USMC)

FM -- Field Manual (Army)

FM -- Frequency Modulation

FM -- Titanium Tetrachloride

FM-# -- "Wildcat"; single-engine Navy fighter (VF), manufactured by General Motors

FMAW -- First Marine Aircraft Wing

FMCorp -- Field Music Corporal (USMC)

FMCpl -- Filed Music Corporal (USMC)

FMF -- Fleet Marine Force (USMC)

FMFPac -- Fleet Marine Force, Pacific Ocean Areas

FMO -- Fleet Maintenance Office(r)

FMO -- Fleet Medical Officer

FMR -- Fairbanks Morse Reversible Diesel Drive

FMS -- Field Music School (USMC)

FMSgt -- Field Music Sergeant (USMC)

FNOIO -- Fleet Naval Ordnance Inspecting Officer

FO -- Field Order (Army)

FO -- Flag Officer

FO -- Flight Order

FOB -- Forward Observer Bombardment

FOB -- Free On Board

FOBAA -- Flag Officer British Assault Area (GB)

FOCWA -- Flag Officer Commanding West Africa (GB)

FOIC -- Flag Officer-in-Charge (British controlled port)

FONAP -- Flag Officer, Naval Air, Pacific (GB)

FONF -- Flag Officer Newfoundland (GB)

FOO -- Forward Observation Officer

*FOR -- Force(s)

FORD -- Foreign Office Research Department (GB)

"Forwarder" -- See GK-#

FOTALI -- Flag Officer Taranto and Adriatic and for liaison

FOWABPF -- Flag Officer Western Area, British Pacific Fleet

Fox -- "F" in the phonetic alphabet

Fox -- A broadcast method of communication which does not require an answer from the stations addressed

FP -- Freight and Passenger Vessels (Army)

FPA -- Food Production Administration

FPC -- Federal Power Commission

FPHA -- Federal Public Housing Authority

FPL -- Final Protective Line (Army)

FPO -- Fleet Post Office

FPT -- Full Power Trial

FR -- Fighter Reconnaissance

FR-# -- "Fireball"; single-engine Navy fighter (VF) manufactured by Ryan

FR -- Flash Ranging (Army)

FR -- Fleet Reserve

FR -- Fragmentation

FR -- From

FRAG Bomb -- Fragmentation Bomb

FRB -- Federal Reserve Bank

FRC -- Faculty Review Committee

Frcu -- Fractocumulus

Frd Enl -- Fraudulent Enlistment

FREN -- French

Freq -- Frequency

FrF -- Free French

FRO -- Fleet Records Office

FrOF -- Freight Office

*FRON -- Frontier

Fr P -- Parachute Fragmentation Bomb

FRPS -- Foreign Research and Press Service (GB)

FRRU -- Freight Receiving and Redistribution Unit

FRS -- Federal Reserve System

FRU -- Fleet Requirements Units (Aircraft)

FRUPac -- Fleet Radio Unit, Pacific

FS -- Feet per second (ordnance)

FS -- Final Settlement

Fs -- Fractostratus

FS -- Sulphur Trioxide in Chlorosulfonic Acid

FS -- Supply Division (USCG)

FSA -- Travel chargeable to applicable allotment authority under Finance Service, Army

FSB -- Federal Specifications Board

FSD -- Foreign Sea Duty

FSEC -- Federal Specifications Executive Committee (now FSB)

FSO -- Fleet Supply Officer

F.S.Powder -- Flashless, Smokeless Powder (for ammunition)

FSR -- Field Service Regulations (Army)

FSR -- Fin Stabilized Rockets

FSS -- Fleet Service School

FSS -- Foreign Shore Service (USMC)

FS Ships -- Fire Support Ships

FSU -- Ferry Service Unit

F&T -- Fuel and Transportation

FT-# -- "Black Widow"; two-engine Navy fighter (VF(M)), manufactured by Northrop

FTC -- Federal Trade Commission

FtgDives -- Footage Drives

FTP -- Fleet Training Publication

Ftr -- Fighter

FTT -- Fever Therapy Technician

FTU -- Field Torpedo Unit

F4U -- "Corsair"; single-engine Navy fighter (VF), manufactured by Chance Vought

(FUBAR) -- (Fouled Up Beyond All Recognition)

(FUMTU) -- (Fouled Up More Than Usual)

Fur -- Furlough

#FURAS -- For Further Assignment

#FURASPERS -- For Further Assignment by the Bureau of Naval Personnel

#FURASUB(S) -- For Further Assignment to Duty in Submarine(s)

FURNARSER -- Furnish full names, rates, and service numbers of men transferred in accordance with this directive

FUSA -- First United States Army

FUSAG -- First United States Army Group

FUT -- Fleet Utility

FW -- Foster Wheeler (boilers)

FWA -- Federal Works Agency

FWD -- Forward

FwdArea -- Forward Area

FWI -- French West Indies

FWOP -- Furloughed Without Pay

FX -- Tenth Fleet

FY -- Fiscal Year

--- G ---

G -- First letter in the Navy aircraft designation, indicating a transport plane (single-engine)

G -- Globe Corporation (Aircraft Division (manufacturer's symbol)

G -- Goodyear Aircraft Corporation (manufacturer's symbol)

G -- Great Lakes Engineering Corporation (plane manufacturer's symbol)

G -- Group; e.g.: as, CVG (Aircraft Carrier Group)

G-1 -- Personnel (War Department General Staff or USMC)

G-2 -- Intelligence (War Department and USMC)

G-3 -- Operations (War Department and USMC)

G-4 -- Supply (War Department and USMC)

G-5 -- PWC Branch of SHAEF

G-6 -- CAD Branch of SHAEF

GA -- Gage Man

GA -- Gasoline Stowage and Fuel System Man

GA -- Georgia

GA -- Ground Attacker Aircraft

GAA -- General Account of Advances

GAF -- German Air Force

GAI -- General Accounting Instructions

Gal -- Gallon

GAO -- General Accounting Office

GAO -- General Administrative Order

*GARN -- Garrison

GAS -- Gasoline

GAT -- Guantanamo to Aruba to Trinidad (routing designation)

"Gators" -- "Alligators"; members of beach battalion at Little Creek Amphibious Training Base

GB -- General Board

GB -- Great Britain

GB -- "Traveler"; single-engine Navy utility (VJ), biplane, manufactured by Beech

GC -- Green Cove Springs, Florida

GC -- Gun Captain

GCA -- Ground Control Approach (radar)

GCI -- Ground Control Intercept (radar)

GCM -- General Court Martial

GCMed -- Good Conduct Medal

GCMP -- General Court Martial Prisoner

GCT -- Greenwich Civil Time

Gd -- Guard

GDP -- Gun Director Pointer

GDP(CL) -- Gun Director Pointer (Cross Leveler)

GDP(L) -- Gun Director Pointer (Leveler)

GDP(P) -- Gun Director Pointer (Pointer)

GDP(SS) -- Gun Director Pointer (Sight Setter)

GDP(T) -- Gun Director Pointer (Trainer)

GE -- General Electric Company

GE -- Great Exuma

GED Tests -- General Educational Development Tests

*GEN -- General

GEN -- USNR officer designation for General Service Reserve Pay Clerk

GenBoard -- General Board

GENDET -- General Detail (USCG)

Genl -- General

George -- "G" in the Phonetic alphabet

GER -- Germany

GFE -- Government Furnished Equipment

GH-# -- "Nightingale"; single-engine Navy utility plane (VJ), manufactured by Howard

GHQ -- General Headquarters (Army)

GI -- Government Issue (Army)

GI -- U.S. Government Life Insurance (allotment for)

GI Bill -- Veterans Benefits Act, PL345, 1944

GIRO -- General Instructions for Routing and Reporting Officers

GIU -- General Intelligence Unit (US) (London)

GK-# -- "Forwarder"; single-engine Navy utility plane (VJ), manufactured by Fairchild

GK -- Guantanamo to Key West (routing designation)

Gldr -- Glider

GLO -- Gunnery Liaison Officer

"Glomb" -- Navy glider equipped with "Block"

GM -- Galveston to Mississippi River (routing designation)

GM or (

GMC) General Motors Corporation

GM -- (Pertaining to) Guided Missiles

GM -- Guard Mail

GM -- Gunner's Mate

GMCB -- Gunner's Mate, Construction Battalion

GMCBG -- Gunner's Mate, Construction Battalion, Armorer

GMCBP -- Gunner's Mate, Construction Battalion Powderman

GMCM -- Guided Missile Counter-Measures

GMSR -- Gunner's Mate, Ship Repair

GMSRP -- Gunner's Mate, Ship Repair, Powderman

GMT -- Short Hull, General Motors Tandem Diesel Drive

GMT -- Greenwich Mean Time

GN -- Guantanamo to New York (routing designation)

GO -- General Order

GOC -- General Officer Commanding

"Goose" -- See JRF-#

GOP -- General Operational Plot

*GOV -- Governor

#GOVAIR -- Including government air

#GOVAIRDIR -- In performing the above travel government air is directed where necessary (or between points specified) to expedite completion of this duty

#GOVMERAIR -- Including government or comercial air

#GOVMERAIRAUTH -- In performing the above travel government air and/or commercial air is authorized where necessary to expedite completion of this duty

#GOVMERAIRDIR -- In performing the above travel government air and/or commercial air is directed where necessary to expedite completion of this duty

Govt -- Government

Govt Ins -- Government Insurance (NSI or GI)

GP -- Galveston to Pilottown (routing designation)

GP -- General Purpose

GP -- Gun Pointer

GP Bomb -- General Purpose Bomb

Gp Fl -- Group Flashing

GPO -- Government Printing Office

Gp Occ -- Group Occulting

GQ -- General Quarters

GR -- Geared Radial (aircraft engine)

GR -- General Reconnaissance (USMC)

*GR -- Group, as COMAIRSHIPGR

#GRABADHARV -- Graduate School of Business Administration, Harvard University

"Grass" -- Noise (as seen on radar scope)

"Grasshopper" -- See AE-#, NE-#

GRB -- Government Reservation Bureau

*GRD -- Guard

*GRE -- Greenland, as COMGREPAT

GrePat -- Greenland Patrol

GRFO -- Gun Range-Finder Operation

GRU -- Group

GruCom -- Group Commander

GS -- General Staff (Army)

G/S -- General Support (Army)

GS -- Greenland to St. Johns, N.F. (routing designation)

GS -- Guardship

GSC -- General Staff Corps (Army)

GSF -- Gulf Sea Frontier

GSGS -- Geographical Section General Staff (GB)

GSk -- General Storekeeper

GSK -- General Stores

GSR -- General Service Recruit

GSS -- General Service Schools (Army)

GSS -- General Supply Schedule

GSU -- General Service Unit (USMC)

GT -- Guantanamo, Cuba

Gtmo -- Guantanamo, Cuba

GU -- Guam (Naval Operating Base)

GulfCoBaseServUnit -- Gulf Coast Base Service Unit

GulfCon -- Gulf Control

GulfSeaFron -- Gulf Sea Frontier

"Gulls" -- Balloon Supported Radar Reflectors to simulate target

*GUN -- Gunboat

Gun -- Gunner

*GUN -- Gunnery

"GUNS" -- Gunner's Mate

GunSgt -- Gunnery Sergeant (USMC)

GW -- General Warning

GY -- Gyro

GySgt -- Gunnery Sergeant (USMC)

GZ -- Guantanamo to Panama Canal Zone (routing designation)

--- H ---

H -- Hall-Aluminum Aircraft Corporation (now Consolidated-Vultee Aircraft Corporation) (manufacturer's symbol)

H -- Heavier-than-air rotary wing aircraft (helicopter)

(H) -- Heavy or 4-engine plane

H -- Hospital plane (suffix to plane designation), as PBJ-2H

H -- Howard Aircraft Corporation (manufacturer's symbol)

H -- Medical Department aboard a carrier

H -- Mustard gas

H -- Stearman-Hammond Aircraft Corporation (manufacturer's symbol)

HA -- Headquarters Administration Division (USCG)

HA -- Home Address

HA -- Hospital Apprentice

HAC -- Haitian Air Corps

"Harpoon" -- See PV-2

HAV -- Heavily Armed Vessels

"Havoc" -- See BD-#

*HAW -- Hawaiian, as COMHAWSEAFRON (Commander Hawaiian Sea Frontier)

Haw Dept -- Hawaiian Department

HawSeaFron -- Hawaiian Sea Frontier

"Hayrake" -- Radar beacon and homing device (YE)

HB -- Heavy Bomber

HB -- Horizontal bomber

HBDC -- Home Base Development Committee (OpNav)

HBS -- Harbor Boat Service

HC -- Hexachlorethane Mix

HC -- High Capacity

HC -- Hospital Corpsman

HC -- USN Reserve designation for Hospital Corps, USN

HCA -- Absent by reason of being held by civil authorities

HCCG -- Discharge under honorable conditions, convenience of government

HCCM -- Discharge under honorable conditions, convenience of man

HCDP -- Discharge under honorable conditions, dependency existing prior to enlistment

HCEE -- Discharge under honorable conditions, expiration of enlistment

HCMS -- Discharge under honorable conditions, medical survey

HCMU -- Discharge under honorable conditions, under age of authorized enlistment

HCMW -- Discharge under honorable conditions, minors enlisted without consent, under 18 at time of discharge

HCO -- Hanger Control Officer

HCP -- Hangar Control Position

HCR -- USNR officer designation for General Service, Hospital Corps. Formerly HC.

HCS -- USNR officer designation for Special Service, Hospital Corps. Formerly HC(S).

HCUS -- Discharge under honorable conditions, unsuitable

HC-V(G) -- USNR designation for Hospital Corps officers, commissioned and warrant, including pharmacists, qualified for general detail ashore or afloat. This classification was abolished in September 1944 and replaced by HC or HC(S).

HC-V(S) -- USNR designation for commissioned and warrant officers, including pharmacists, qualified for specialist duties in connection with the Medical Corps of the Navy. This classification was abolished in September 1944 and replaced by HC or HC(S).

HCW -- USNR officer designation for Women's Reserve, Hospital Corps. Formerly HC(W).

HD -- Harbor Defense (Army)

HD -- Hydraulics

HDC -- Harbor Defense Command (Army)

HDCG -- Honorable discharge, convenience of government

HDCM -- Honorable discharge, convenience of man

HDDP -- Honorable discharge, dependency existing prior to enlistment

HDDS -- Honorable discharge, dependency arising since enlistment

HDEE -- Honorable discharge, expiration of enlistment

HDMS -- Honorable discharge, medical survey

HDMU -- Honorable discharge, under age of authorized enlistment

HDMW -- Honorable discharge, minors enlisted without consent, under 18 at discharge

HDNPRSGR -- Headquarters Squadron personnel Group

Hdr -- Header type (boiler)

HDR -- Home Dockyard Regulations

HDV -- Horse Drawn Vehicle

HE -- High Explosive

HECP -- Harbor Entrance Control Post

HECPost -- Harbor Entrance Control Post

HED -- Headquarters; as COMHEDRONFAIRWING

HedRon -- Headquarters Squadron

HedRonFairWing -- Headquarters Squadron Fleet Air Wing

HEI -- High Explosive Incendiary

HEIT -- High Explosive Incendiary Traced

"Hellcat" -- See F6F-#

"Helldiver" -- See SB2C-#, SBF-#, SBW-#

HERALDS -- Harbor Echo Ranging and Listening Devices

#HERDESNAVAV -- Hereby designated as student naval aviator

#HERDET -- Hereby detached from duty indicated and from such other duty as may have been assigned

#HERDUFLY -- Hereby detail to duty involving flying upon reporting in obedience to these orders

HESO -- Hospital Educational Service Officer

HET -- High Explosive Traced

HF -- Fighter Aircraft fitted with engine rated for high altitude performances

HF -- High Frequency radio

HF/DF -- High Frequency Direction Finder

H&H -- Harlan E. Hollingsworth (ship engines)

HH -- Hedge Hogs

HHE -- Household Effects

H-Hour -- Hour set for attack or other operation to begin (on D-Day)

HHX -- Halifax Joiner to HX Convoy (routing designation)

*HI -- High

Hiatus Area -- Area outside of zone of communications (where Army not concerned with local population except as factors which in these areas might affect progress of allied armies)

HiCom -- High Command

HJ -- Utility helicopter

HK -- Galveston to Key West (routing designation)

HMAS -- His Majesty's Australian Ship

HMBS -- His Majesty's British Ship

HMCS -- His Majesty's Canadian Ship

HMG -- His Majesty's Government (GB)

H-minus 1, 2, etc. -- 1, 2, etc. hours before hour of attack

HMIS -- His Majesty's Indian Ship

HMNZS -- His Majesty's New Zealand Ship

HMRP -- Hurricane Microseismic Research Problem (aerology)

HMS -- His Majesty's Ship (GB)

HN -- Training Helicopter

HN -- Nitrogen Mustard Gases

HNS-# -- "Hoverfly"; Navy training helicopter (HN), manufactured by Sikorsky Air

HO -- Hydrographic Office

HO -- Observation helicopter

HOMP -- Halifax Ocean Meeting point

Hon -- Honorable

Hono -- Honolulu, T.H.

HOR -- Hoover, Owens, Rentschler Company (ship engines)

Horiz 3-exp -- Horizontal, triple expansion engine

Hornet" -- Naval aircraft engine, 9 cylinders, manufactured by Pratt and Whitney

HOS-# -- Navy observation helicopter (HO), manufactured by Sikorsky Air

*HOSP -- Hospital

HOSP RATS -- Hospital Rations

"Hoverfly" -- See HNS-#

How -- "H" in the phonetic alphabet, replaced the obsolete "Hypo"

How -- Howitzer

HP -- High Pressure

HP -- Horse Power

HP -- USNR officer designation; probationary commissioned, direct from civilian life, for special duties in Medical Corps; formerly H(P)

HPF -- Harbor Patrol Fleet

H-plus 1, 2, etc. -- 1, 2, etc. hours after hour of attack

HPT -- Horizontal Plot Table

Hq or HQ -- Headquarters

HQDP -- Headquarters, Department of the Pacific (USMC)

HQMC -- Headquarters, Marine Corps

Hq&Serv -- Headquarters and Service (USMC)

HqSq -- Headquarters Squadron

HR -- Transport helicopter

HR (number) -- House of Representatives, Bill (number)

H & RP -- Holding and Reconsignment Point (Army)

H&S -- Headquarters and Service (Army)

H(S) -- USNR officer designation for Special Service, Special Duty in Medical COrps, restricted to those formerly H-VS.

HS -- USNR officer designation for Special Service, commissioned direct from civilian life, special duties in medical Corps. Formerly H(S).

HSF -- Hawaiian Sea Frontier

HSL -- High Speed Launch

HS & SS -- Headquarters and Service Squadron

H&S Tr -- Headquarters and Service Troop (Army)

HTA -- Heavier Than Air

HTD -- Hand Target Designator

HTO -- Highway Transportation Officer (Army)

HTS -- High Tensile Steel

"Hudson" -- See PBO-#

Hula Unit -- Shipping designator for Lend-Lease transfer of material and training of personnel in 13th and 17th Naval Districts

Hun -- Hundred

HUSAFICPA -- Headquarters, U.S. Army Forces in Central Pacific Area

HV -- Hihg Voltage

H-V(P) -- USNR designation for medical and dental students, appointed as ensigns, for special duties in connection with the Medical COrps of the Navy. This classificaiton was abolished in September 1944 and replaced by H(P).

H-V(S) -- USNR designation for comissioned and warrant officers qualified for specialist duties in connection with the Medical Corps of the Navy. This classification was abolished in September 1944 and replaced by H(S).

HW -- Herewith (enclosures)

H/W -- Highway

HXHW -- USNR officer designation fo rmen commissioned direct from civilian life, special duties in the Medical Corps. Formerly H(W).

HXF -- New York to Liverpool, Fast (routing desgination)

HXM -- New York to Liverpool, Medium (routing designation)

HXS -- New York to Liverpool, Slow (routing designation)

Hydr -- Hydraulic

Hydro -- Hydrographic Office

Hydrog -- Hydrographic

Hypo -- "H" in the phonetic alphabet; now obsolete and replaced by "How"

--- I ---

I -- Incendiary

I -- India

(I) -- To be inactivated

IA -- Inspection Administration

IAD -- Inactive Reservists: USN RET, USNR RET, USNR HON RET, and Fleet Reservists

IADB -- Inter-American Defense Board

IAS -- Indicated Air Speed

IATCB -- Interdepartmental Air Traffic Control Board

IAZ -- Inner Artillery Zone

IB -- Incendiary Bomb

IBH -- Initial Beachhead (Army)

IBM -- International Business Machine

IBS -- Island Base Section

IC -- Information Center

IC -- Interior Communications

ICB -- Interior Control Board

ICD -- Industrial Cooperation Division

ICE -- Iceland

IcePat -- Iceland Patrol

ICG -- Interviewer's Classification Guide

ICIR -- In Commission, In Reserve (vessel status)

ICOC -- Instructions for Commodores of Convoys

ICOMP -- Iceland Ocean Meeting Point

ICPOA -- Intelligence Center, Pacific Ocean Areas

IC&RR -- Inventory Control and Requirements Review Board (CNO)

ID -- Identification

ID -- Intelligence Duties

IDA -- Idaho

IDC -- Interdepartmental Committee (also INDEC)

ID Card -- Identification Card

IDFOR -- Idle Waiting Convoy Forward

IDG -- Idle Waiting to Load

IDLOD -- Inspector of Degaussing

Id No -- Identification Number

IDREA -- Idle Other Reasons

IDS -- Instrument Development Section

IDSTO -- Idle Used for Storage

I&E -- Information and Education (Army)

IE -- Initial Equipment (Aircraft)

IF -- Intercept and Broadcast

IFD -- Inter-Fighter Director

IFF -- Identification, Friend or Foe

IFHOM -- Idle Waiting Convoy Homeward

IFIS -- Instrument Flight Instructors School

IFU -- Intelligence Field Unit

IG -- Inspector General (Army)

IGD -- Inspector General's Department (Army)

I/I -- Inventory and Inspection Report (Army)

IL -- Illinois

Illum -- Illuminating

IMNP -- Symbol for thickened gasoline

IMPACT -- Periodical, published monthly by Assistant Chief of Air Staff Intelligence

#IMREP -- Immediately Report

IMS -- Industrial Manpower Section

I & N -- Immigration and Naturalization Service (Naval Intelligence)

IN -- Interpreter

IN -- Journalist

IN -- Key Punch Operator and Supervisor

IN -- Radio Intelligence Specialist

INA -- Inspector of Naval Aircraft

InactFltLant -- Inactive Fleet, Atlantic Fleet

InactFltPac -- Inactive Fleet, Pacific Fleet

INACTLANT -- Inactive Fleet, Atlantic Fleet

INACTPAC -- Inactive Fleet, Pacific Fleet

INA/IC -- Inactive-In Commission, In Reserve (vessel status)

INA/IS -- Inactive-In Service, in Reserve (vessel status)

INA/OC -- Inactive-Out of Commission, In Reserve (vessel status)

INA/OS -- Inactive-Out of Service, in Reserve (vessel status)

INC -- Incorporated

#INCAIR -- Including Air

INC Bomb -- Incendiary Bomb

*INCEP -- Interceptor

Incl -- Include; including; inclusive

IND -- Indiana

Ind -- Induction

*IND -- Industry (ial)

INDAIR -- Identification of Aircraft

INDEC -- Interdepartmental Committee (also IDC)

Indiv -- Individual

IndMan -- Industrial Manager

IndMgr -- Industrial Manager

Inf -- Infantry (Army)

INFO -- Information

#INFOREQ -- Information requested as to

INIT CCA -- Initial Cash Clothing Allowance

INM -- Inspector of Naval Machinery

INM -- Inspector of Naval Material

INS -- Inspection Division (USCG)

*INS -- Inspector (of)

InsAir -- Inspector Naval Aircraft

#INSCRUIT -- Inspector of Navy Recruiting and Induction, Joint Service Induction Area

InsEng -- Inspector Naval Engineering Material

#INSEREC -- Indicate by appropriate entry pages 9-10 service records, and in orders, rating for which men have been trained, to insure assignment to appropriate duty

#INSERECAV -- Indicate by appropriate entry pages 9-10 service record, and in orders, rating for which nonrated men have been trained, to insure assignment to aviation duty

#INSERECSUB -- Indicate by appropriate entry pages 9-10 service record, and in orders, rating for which men have been trained, to insure assignment to submarine duty

InsGen -- Inspector General (Navy)

InsGenPac -- Inspector General, Pacific Fleet and Pacific Ocean Areas

InshorePat -- Inshore Patrol

InsMach -- Inspector of Naval Machinery

InsMat -- Inspector of Naval Material

InsNavMat -- Inspector of Navigational Material

InsOrd -- Inspector of Ordnance (Naval)

Insp -- Inspector

*INSP -- Inspection

INSPAT -- Inshore Patrol

InsPetRes -- Inspector Petroleum Reserves

Insp-Instr -- Inspector-Instruction (USMC)

INST -- Instantaneous

*INST -- Instruction (s)

#INSTFURASPERS -- For course of instruction and further assignment by Bureau of Naval Personnel

Instn -- Instruction

Instr -- Instructor

INSUR -- Allotment for commercial life insurance

InSurv -- Board of Inspection and Survey

INT -- Ad Interim Specification (BuShips)

INT -- Intelligence and Law Enforcement Division (USCG)

INT -- Interest

*INT -- International

INTCO -- International Code of Signals

*INTEL -- Intelligence

IntelCen -- Intelligence Center

IntelCenPac -- Intelligence Center Pacific Ocean Areas

Intell -- Intelligence

*INTERM -- Intermediate

IntermTra -- Intermediate Training (Air)

#INTERP -- Interpretation

InterpRon -- Photo Interpretation Squadron

Int O -- Intelligence Officer (Army)

"Invader" -- See JD-#

*INVEST -- Investigation

IO -- Intelligence Officer

IO -- Intercept Officer

IO -- Issuing Office

IOL -- Initial Outfitting List (for Advanced Bases)

IP -- Initial Point (Army)

IPRB -- Inter-Allied Post-War Requirements Bureau

IR -- Infra-Red Equipment

IRAA&A -- Increase and Replacement of Armor, Armament and Ammunition (appropriation title)

IRAC -- Interdepartment Radio Advisory Committee

IRB -- Industrial Readjustment Branch

IRB -- Industrial Relations Board

IRC -- Industrial Relations Counselors

IRC&M -- Increase and Replacement of Construction and Machinery (appropriation title)

IREC -- Increase and Replacement of Emergency Construction (ships) (appropriation title)

IRNV -- Increase and Replacement of Naval Vessels (appropriation title)

IRS -- Induction and Recruiting Station (USMC)

I&S -- (Board of) Inspection and Survey)

IS -- Invalided from Service (Medical)

IS -- Island

ISA -- Inductee Special Assignment

ISBIC -- Interservice Balkan Intelligence Committee

ISCB -- Inter-Allied Staff Communications Board

IsCom -- Island Commander

ISD -- Industrial Survey Division; now, OIS

ISIC -- Immediate Superior-in-Command

ISinC -- Immediate Superior-in-Command

ISIR -- In Service, In Reserve (vessel status)

ISIS> -- Inter-Service Information Series (GB)

ISLD -- Inter-Service Liaison Department (GB)

ISN -- Indefinite SecNav Allotments

ISRB -- Inter-Service Research Bureau (GB)

ISTD -- Inter-Service Topographical Department (British Admiralty)

ITANDT -- International Telephone and Telegraph

ITEM -- "I" in the phonetic alphabet

ITM -- Inspector of Torpedoes and Mines

ITO -- Inspecting Torpedo Officer

IV -- Initial Velocity

IV -- Inverted Vertical (aircraft engine)

I-V(S) -- USNR designation for commissioned intelligence officers qualified for specialist duties. This classification was abolished in September 1944 and replaced by S(I).

IX -- Miscellaneous Unclassified (for any unclassified ships in the Navy)

--- J ---

J -- First letter in the Navy aircraft designation, indicating a utility plane

J -- North American Aviation Corporation (manufacturer's symbol)

J -- Converted to a utility airplane (suffix to plane designation)

JA -- Judge Advocate

JA-# -- "Norseman"; single-engine Navy utility plane (VJ), manufactured by Noorduyn

JAAF -- Japanese Army Air Force

JACCI -- Joint Allocation Committee Civil Intelligence (US & GB)

"Jackal" -- Barrage jammer (radar and radar countermeasure)

JACSPAC -- Joint Air Communications of the Pacific

JAG -- Judge Advocate General

JAGD -- Judge Advocate General's Department (Army)

*JAN -- Joint Army-Navy

JANCOM -- Joint Army-Navy Communications

JANET -- Joint Army-Navy Experimental and Testing Board

JAN Grid -- Joint Army-Navy Grid

JANIC -- Joint Army-Navy Information Center

JANIS -- Joint Army-Navy Intelligence Studies

JANP -- Joint Army-Navy Publication

JANWSA -- Joint Army-Navy-War Shipping Administration

JAP -- Japanese

JAPA -- Japan Area

JASASA -- Joint Air-Surface Anti-Submarine Action

#JASCO -- Joint Assault Signal Company

JATO -- Jet Assisted Take-Off

JB -- Joint Army-Navy Board

JB-2 -- American version of German V-1 flying bomb

JB-2 -- Twin-engine Navy, special plane

JCA -- Joint Communications Activity

JCAC -- Joint Civil Affairs Committee

JCB -- Joint Communications Board

*JCC -- Joint Communications Center

JCS -- Joint Chiefs of Staff (US-GB) [sic: should be US? CCS (Combined Chiefs of Staff) for US-GB group?]

JD -- "Invader"; twin-engine Navy utility plane (VJ(M)), manufactured by Douglas

Jd -- Joined (USMC)

JDCS -- Joint Deputy Chiefs of Staff

Jdenl -- Joined by enlistment (USMC)

Jdfr -- Joined from (USMC)

Jdind -- Joined by induction (USMC)

JDPC -- Joint Defense Production Committee (later changed to Joint War Production Committee)

Jdreenl -- Joined by reenlistment (USMC)

Jds/RS -- Joined by Staff Returns (USMC)

JEEP -- Small open Army motor car

JEIA -- Joint Electronics Information Agency

J2F-3-5 -- "Duck"; single-engine Navy utility (VJ), biplane, manufactured by Gruman

J2F-6 -- "Duck"; single-engine Navy utility (VJ), biplane, manufactured by Columbia

J4F-# -- "Widgeon"; twin-engine Gruman, Navy utility plane (VJ(M)), manufactured by Gruman

*JIC -- Joint Intelligence Center

JIC -- Joint Intelligence Committee

JICA -- Joint Intelligence Center, Africa

JICA -- Joint Intelligence Collecting Agency (USMC)

JICACBI -- Joint Intelligence Collecting Agency, China, Burma, India

JICAME -- Joint Intelligence Collecting Agency, Middle East

JICANA -- Joint Intelligence Collecting Agency, North Africa

JICARC -- Joint Intelligence Collecting Agency, Reception Committee (Navy Department)

#JICPOA -- Joint Intelligence Center, Pacific Ocean Areas

Jig -- "J" in the phonetic alphabet

JIS -- Joint Intelligence Staff

JISPB -- Joint Intelligence Studies Publishing Board

JLC -- Joint Logistics Committee

JLPC -- Joint Logistics Plans Committee

JM-# -- "Marauder"; twin-engine Navy utility plane (VJ(M)), manufactured by Martin

JMAC -- Joint Munitions Allocation Committee

JMC -- Joint Meteorological Committee

JMTC -- Joint Military Transportation Committee

JMVB -- Joint Merchant Vessels Board

JNW -- Joint Committee on New Weapons and Equipment

JOC -- Joint Operations Center

JOC Squadron -- Observation plane squadron (obsolete)

JOSCO -- Joint Overseas Shipping Control Office

JP -- Type of sonar

JPB -- Joint Planning Board

JPB -- Joint Purchasing Board

JPC -- Joint Planning Committee

JPPL -- Joint Personnel Priority List

JPS -- Joint Planing Staff (US & GB)

JPSC -- Joint Production Survey Committee

JPWC -- Joint Post-War Committee

JR -- First two letters in the Navy aircraft designation, indicating a utility-transport plane

JRB-1-4 -- "Expeditor"; twin-engine Navy utility plane (VJ(M)), manufactured by Beech

JRB-2-3-4 -- "Voyager"; twin-engine Navy utility plane (VJ(M)), manufactured by Beech

JRC-# -- "Bobcat"; twin-engine Navy utility (VJ(M)), manufactured by Cessna

JRF-# -- "Goose"; twin-engine Navy utility (VJ(M)), manufactured by Gruman

JRM-# -- "Mars"; four-engine Navy transport (VR(HS)), seaplane, manufactured by Martin

JRPM -- Joint Registered Publications Memorandum

JRS-# -- "Excalibur"; four-engine Navy transport (VR(HS)), manufactured by Sikorsky

JSC -- Joint Security Control

JSC -- Joint Strategic Committee

JSIA -- Joint Service Induction Area

JSM -- Joint Staff Mission (GB)

JSOC -- Joint Ship Operations Committee

JSP -- Joint Staff Planners (Joint Chiefs of Staff)

JSRC -- Joint Ship Repair Committee

JSSC -- Joint Strategic Survey Committee

JT -- Rio de Janeiro to Trinidad (routing designation)

JT -- Type of sonar

JTF -- Joint Task Force

JTR -- Joint Termination Regulation

JUSSC -- Joint U.S. Strategic Committee

JWPC -- Joint War Plans Committee

JWPC -- Joint War Production Committee

--- K ---

K -- Communications Division aboard a carrier

K -- Fairchild Aviation Corporation (manufacturer's symbol)

K -- Kaiser Cargo, Inc. (Fleetwings Division) (manufacturer's symbol)

K -- Kinner Airplane and Motor Corporation (manufacturer's symbol)

K -- Nash-Kelvinator Company (manufacturer's symbol)

K -- Modified for use as target aircraft (suffix to plane designation)

K -- Pilotless Aircraft

KA -- Contraction of AKA (attack cargo ship)

KA -- Pilotless aircraft for attack on aircraft

KANS -- Kansas

"Kansan" -- See SNB-1

"Kaydet" -- See N2S

KBO -- Kite and Balloon Officer

KC -- Kilocycle(s)

KD -- Pilotless aircraft for use as target aircraft

K-Day -- Day set for strike or assault by a carrier's aircraft; corresponds to land forces' designation of D-Day with which it may or may not coincide

KDD-# -- Navy pilotless aircraft, target, manufactured by McDonnell

KEN -- Kentucky

KG -- Key West to Guantanamo (routing designation)

KG -- Pilotless aircraft for attack on ground targets

KGW-# -- Navy pilotless aircraft for attack on ground targets, manufactured by Willys-Overland

KH -- Key West to Galveston (routing designation)

Ki -- Kilocycle(s)

KIA -- Killed In Action

King -- "K" in the phonetic alphabet

"Kingfisher" -- See OS2N-#, OS2U-#

"Kites" -- Radar countermeasures; previously called "Angels"

KJ -- Pilotless aircraft for utility purposes

KM -- United Kingdom to Mediterranean (routing designation)

KN -- Key West to New York of Key West to Norfolk (routing designation)

KNA -- Killed; not enemy action

Kn(s) -- Knot(s)

KO -- Kodiak, Alaska

KPO -- Keypunch Operator

KS -- Norfolk to Key West (routing designation)

KS -- Pilotless aircraft for attack on ship targets

KT -- Knots

KV(s) -- Kilovolt(s)

KW -- Key West, Florida

KW(s) -- kilowatt(s)

KY -- Kentucky

--- L ---

L -- First letter in the Navy aircraft designation, indicating a glider

L -- Bell Aircraft Corporation (manufacturer's symbol)

L -- Columbia Aircraft Corporation (manufacturer's symbol)

L -- First letter of plane model designation signifying glider

L -- Landplane

L -- Langley Aviation Corporation (manufacturer's symbol)

L -- legal Division (USCG)

L -- Lewisite

L -- Equipped with search light (suffix to plane designation)

L -- Single Bank Vertical (aircraft engine)

L -- Suffix to USNR line officer classification symbol denoting Limited General Service; As, (A)L is Limited General Service, Aviation Non-flying

LA -- Lighter than Air

LA -- Louisiana

Lab -- Laboratory

LAC -- Liberated Areas Committee

*LAIS -- Liaison

*LAN -- Landing

LANCRA -- Landing Craft

*LANCRAB -- Landing Craft and Bases

LanCraBNAW -- Northwest African Waters

LanForASCU -- Landing Force Air Support Control Unit

LANT -- Atlantic

LantFlt -- Atlantic Fleet

LantResFlt -- Atlantic Reserve Fleet

LAT -- Latitude

LAW -- Local Air Warning

LB -- Landing Barge(s)

L/B -- Light Bomber

LB -- Photographic Laboratory Specialist(s)

LB -- Pound

LBD -- Twin-engine McDonnell, Navy Special plane

LBE -- Landing Barge, Emergency Repair

LBE -- Landing Barge, Oiler

LBE -- Navy transport glider (VLR) known as "Glomb"; manufactured by Gould

LBK -- Landing Barge, Kitchen

LBP-1 -- Twin-engine Piper, Navy glider

LBS -- Landing Barge, Support

LBT -- Chemical Laboratory Technician

LBT -- Clinical Laboratory Technology

LBT -- Navy transport glider (VLR), known as "Glomb"; manufactured by Taylorcraft

LBV -- Landing Barge, Vehicle

LC or L/C -- Landing Craft

LC -- Lines of Communications (Army)

LCA -- Landing Craft, Assault

LCC -- Landing Craft, Control

LCC (1) -- Landing Craft, Control (Mark I)

LCC (2) -- Landing Craft, Control (Mark II)

LCC -- London Communications Committee

LCDR -- Lieutenant Commander

LCE -- Landing Craft, Emergency Repair

LCEOP -- Landing Craft, Engine Overhaul Parties

LCF -- Landing Craft, Flak

LC(FF) -- Landing Craft, Flotilla Flagship

LCFlotsPac -- Landing Craft, Flotilla, Pacific Fleet

LCG(L) -- Landing Craft, Gun, (Large)

LCGM -- Landing Craft, Gunboat

LCGP -- Landing Craft, Group

LCI -- Landing Craft, Infantry

LCIDiv -- LCI Division

LCIFlot -- LCI Flotilla

LCI(G) -- Landing Craft, Infantry Gunboat

LCIGrp -- LCI Group

LCI(L) -- Landing Craft, Infantry, Large

LCILFlot -- LCI(L) Flotilla

LCI(M) -- Landing Craft, Infantry (Mortar Ship)

LCI(R) -- Landing Craft, Infantry (Rocket Ship)

LCM -- Landing Craft, Mechanized

LCM(1) -- Landing Craft, Mechanized, Mark I

LCM(2) -- Landing Craft, Mechanized, Mark II

LCM(3) -- Landing Craft, Mechanized, Mark III

LCM(6) -- Landing Craft, Mechanized, Mark VI

LCMSO -- Landing Craft Material Supply Officer

LCN -- Landing Craft, Navigation

LCNT -- Link Celestial Navigation Trainer

LCOCU -- Landing Craft, Obstruction Clearance Unit

LCP -- Landing Craft, Personnel

LCP(L) -- Landing Craft, Personnel (Large)

LCP(M) -- Landing Craft, Personnel (Medium)

LCP(N) -- Landing Craft, Personnel (Nested)

LCP(P) -- Landing Craft, Personnel (Plastic)

LCP(R) -- Landing Craft, Personnel (Ramp)

LCP(Sy) -- Landing Craft, Personnel(Survey)

LCR(L) -- Landing Craft, Rubber (Large)

LCR(R) -- Landing Craft, Rubber (Rocket)

LCR(S) -- Landing Craft, Rubber (Small)

LCRU -- Landing Craft, Recovery Unit

LCS(L)(3) -- Landing Craft, Support (Large) (Mark III)

LCS(M) -- Landing Craft, Support (Medium)

LCS(R) -- Landing Craft, Support (Rocket)

LCS(S) -- Landing Craft, Support (Small)

LCS(S)(1) -- Landing Craft, Support (Small) (Mark I)

LCS(S)(2) -- Landing Craft, Support (Small) (Mark II)

LCT -- Landing Craft, Tank

LCT(5) -- Landing Craft, Tank (Mark V)

LCT(6) -- Landing Craft, Tank (Mark VI)

LCT(A) -- Landing Craft, Tank (Armored)

LCV -- Landing Craft, Vehicle

LCVP -- Landing Craft, Vehicle and Personnel

LD -- Line of Departure (Army)

LD -- Line of Duty (Army)

LDD -- Letter of Determination of Dependency

LDF -- Local Defense Forces

LE -- Low Explosive (Army)

LEA/BZ -- Vessel leased to Brazil

LEA/CH -- Vessel leased to China

LEA/EC -- Vessel leased to Ecuador

LEA/FR -- Vessel leased to France

LEA/GR -- Vessel leased to Greece

LEA/MX -- Vessel leased to Mexico

LEA/NE -- Vessel leased to Netherlands

LEA/NO -- Vessel leased to Norway

LEA/PA -- Vessel leased to Panama

LEA/PE -- Vessel leased to Peru

LEA/PG -- Vessel leased to Paraguay

LEA/RU -- Vessel leased to Russia

LEA/UK -- Vessel leased to United Kingdom

LEA/UR -- Vessel leased to Uruguay

LEAVE RATS -- Leave Rations

LF -- Fighter aircraft fitted with engine rated for low altitude performance

LF -- Low Frequency

LFM -- Landing Force Manual

LG -- Landing Ground

Lg Comb -- Large Combatant

"Liberator" -- See PB4Y-1, 1P-12RY-1-2-3

Lifesta -- Lifeboat Station (USCG)

LINE -- Line Officer, USN

"Lion" -- A large advanced base unit consisting of all the personnel and material necessary for the establishment of a major, all-purpose naval base. It is made up of a large number of functional components which enables the base to perform voyage repairs and repair minor battle damage to a major portion of a fleet.

LLI -- Latitude and Longitude Indicator

LLLO -- Lend-Lease Liaison Office

LM -- Land Mine

LM -- Legion of Merit

LMG -- Light Machine Gun (Army)

LNC -- Local Naval Commander

LNE-# -- Navy training glider (VLN), manufactured by Gould

LNS-# -- Navy training glider (VLN), manufactured by Schwiezer

LNT-# -- Navy training glider (VLN), manufactured by Taylorcraft

LO -- Liaison Office(r)

*LO -- Local

LOAN/A -- Vessels loaned to Army

LOAN/C -- Vessels loaned to Coast Guard

LOAN/M -- Vessels loaned to miscellaneous activities (U.S. Maritime Academy, etc.)

LOAN/S -- Vessels loaned to States

LOAN/W -- Vessels loaned to War Shipping Administration

LOCAL -- Permanent local fleet

LODC -- Local Defense District Craft

"Lodestar" -- See R50-#

LODIG -- Loading

LODOR -- Loaded, Waiting Orders or Assignment

LofC -- Lines of Communications

LONG -- Longevity

LONG -- Longitude

LOP -- Local Operational Plot

LOPU -- Logistics Organization Planning Unit

LORAN -- Long-Range Radio Aid to Navigation

LOST/A -- Vessels lost by accident, collision or similar methods

LOST/E -- Vessels lost through enemy action

LOST/P -- Vessels lost due to weather, perils of the sea or similar reasons

LOTON -- Long tons discharged or loaded

LOTS -- LORAN Operational Training School (Pearl Harbor)

LOU -- Louisiana

Love -- "L" in the phonetic alphabet

LP -- Landplane

LP -- Loss pay/loss of pay

LP -- Low Pressure

LPC -- Low Pressure Chamber Technician

LR -- Long Range Plane(s)

LRNA -- Laws Relating to the Navy Annotated

LRW-# -- Navy transport glider (VLR), manufactured by WACO

LSB -- Landing Ship, Bombardment

LSD -- Landing Ship, Dock

LSH(L) -- Landing Ship, Headquarters (Large)

LSH(S) -- Landing Ship, Headquarters (Small)

LSM -- Landing Ship, Medium

LSM(R) -- Landing Ship, Medium (Rocket)

LSMSO -- Landing Ship Material Supply Officer

LSO -- Landing Signal Officer

LST -- Landing Ship, Tank

LST(H) -- Landing Ship, Tank (Casualty Evacuation)

LSV -- Landing Ship, Vehicle

LSX -- Landing Ship Planned

LT -- Large Tug (Army)

LT or Lt -- Lieutenant

L/T -- Line Telecommunications

LT -- Link Trainer Instructor

LTA -- Lighter Than Air

LtCol -- Lieutenant Colonel

LtCom -- Lieutenant Commander

LtComdr -- Lieutenant Commander

LTD -- Limited

LtGen -- Lieutenant General

Lt (jg) -- Lieutenant (Junior Grade)

Ltr -- Letter

Ltr -- Lighter than air

LTS -- Landfall Technique School, New York

Lv -- Leave

LV -- Light Vessel

LVD -- Absent on leave from ship's company duty

LVN -- Absent on leave not from ship's company

L-V(S) -- USNR designation for commissioned legal officers qualified for specialist duties. This classification was abolished in September 1944 and replaced by S(L).

LVT -- Landing Vehicle, Tracked

LVT(1) -- Landing Vehicle, Tracked, Unarmored (Mark I) ("Alligator")

LVT(2) -- Landing Vehicle, Tracked, Unarmored (Mark II) ("Water Buffalo")

LVT(3) -- Landing Vehicle, Tracked, Unarmored (Mark III)

LVT(4) -- Landing Vehicle, Tracked, Unarmored (Mark IV)

LCT(A) -- Landing Vehicle, Tracked (Armored) (Turret Type)

LVT(A)(1) -- Landing Vehicle, Tracked (Armored) (Mark I) ("Water Buffalo," Turret Type)

LVT(A)(2) -- Landing Vehicle, Tracked (Armored) (Mark II) ("Water Buffalo," Canopy Type)

LVT(A)(4) -- Landing Vehicle, Tracked (Armored) (Mark IV)

LVT(A)(5) -- Landing Vehicle, Tracked (Armored) (Mark V)

LW -- U.S. East Coast to Southwest Pacific (routing designation)

LWT -- Light Weight Type (anchor gear)

--- M ---

M -- General Motors Corporation (Eastern Aircraft Division) (manufacturer's symbol)

M -- Glenn L. Martin Co. (manufacturer's symbol)

M -- Marine Corps; used as prefix with plane designation

M -- Medium or 2-engine plane

M -- Monoplane

M -- Merchant Marine Reserve

M1 -- Merchant Marine Reserve Seagoing

M2 -- Merchant Marine Reserve Coastal Defense

M -- Metalsmith

M -- Model

M -- Office of merchant Marine Safety (USCG)

MA -- Manila, P.I.

MA -- Mediterranean Area

MA -- Military Attache

MAA -- Master-At-Arms

MAAF -- Mediterranean Allied Air Force

MAATC -- Mobile Anti-Aircraft Training Center

MAB -- Marine Air Base

MAB -- Munitions Assignment Board

MABDG -- Marine Aircraft Base Defense Group

MABDW -- Marine Air Base Defense Wing

MABO -- Marianas-Bonins Group

MABS -- Marine Air Base Squadron

MAC -- Marine Amphibious Corps

MAC(Air) -- Munitions Assignment Committee (Air) (Washington)

MACAF -- Mediterranean Allied Coastal Air Forces

*MACH -- Machinery

MACH -- Machinist

MachGr -- Machine Group

MACRI -- Mercantile Atlantic Coastal Routing Instructions

MACTU -- Mine and Countermeasures Technical Unit

MAD -- Magnetic Airborne Detector

MAD -- Marine Aviation Detachment

MAD -- Mine Assembly Depot

MADepSq -- Marine Air Depot Squadron

MADP -- Main Air Display Plot

MAEE -- Marine Aircraft Experimental Establishment

MAF or MAFac -- Marine Air Facility

MAFOG -- Mediterranean Area Fighter Operations Grid

*MAG -- Magazine

MAG -- Marine Aircraft Group

MairMar -- Marine Air Depot Miramar

MAIRU -- Mobile Aircraft Instrument Repair Unit

Maj -- Major

MajGen -- Major General

MAL -- Malariology

MAL -- Malariology Technician

MaM -- Mailman

*MAN -- Manager

Man -- Manual

MAN or MN -- Very high frequency voice radio (FM)

MANDREL -- Electric Jammer (radar)

ManMedDept -- Manual of the Medical Department

MAP -- Ministry of Aircraft Production (GB)

MAPRC -- Mediterranean Allied Photographic reconnaissance Command

MAPUC -- Modified Area Production Urgency Committee

MAQ -- Money allowance for quarters for dependents (W for wife; M, mother; F, father; LC, legitimate child; AC, adopted child)

*MAR -- Marine

MarAirWing -- Marine Aircraft Wing

"Marauder" -- See JM-#

MarBasScol -- Marine Corps Basic School

MarBks -- Marine Barracks

MarBrig -- Marine Brigade

MARCOR -- marine Corps

MarCorps -- Marine Corps

MarDiv -- Marine Division

MARE -- Mare Island

MARegSq -- Marine Air Regulating Squadron

MarFair -- Marine Fleet Air

MarFAIRWest -- marine Fleet Air, West Coast

MarGarFor -- marine Garrison Force

MarGilsArea -- Marshalls-Gilberts Area

MARI -- Mercantile Atlantic Routing Instructions

"Mariner" -- See PMB-1, PBM-3-5, PBM-3R

Mark or Mk -- Symbol used to distinguish different types of ordnance and certain other equipment. A newly developed type would be designated Mark (Mk) I; with the first minor change it would be MkI Mod (modification) I. Eventually these changes would become sufficient to start with MkII. On 17 April 1944, BuShips changed the numerals from Roman to Arabic; Mark II became Mk 2, etc.

MarPac -- Headquarters, Department of the Pacific (USMC)

"Mars" -- See JRM-#, PB2M-1R

MarTra&ReplComs -- Marine Training and Replacement Commands

MAS -- German and Italian craft corresponding to United States MTB

MAS -- Low-powered guided missile jammer (radar)

MASAF -- Mediterranean Allied Strategic Air Force

MA/SB -- Motor Anti-Submarine Boat

MASCU -- Marine Air Support Control Unit

MASG -- Marine Air Support Group

MASS -- Massachusetts

MAT -- Material

MAT -- mechanical Aptitude Test

MATAF -- Mediterranean Allied Tactical Air Force

MATD -- Mine and Torpedo Detector (sonar)

MATMU -- Mobile Aircraft Torpedo Maintenance Unit

MATS -- Mediterranean Air Transport Service

MAW -- Marine Aircraft Wing

MAWC -- Marine Air, West Coast

MAWP -- Marine Air Wing, Pacific

MAWS -- Marine Air Warning Squadron

MB -- Main Battery

MB -- Marine Barracks

M/B -- Medium Bomber

MB -- Motorboat (USCG)

MBC -- Mediterranean Bombardment Code

MBDG -- Marine Base Defense Group

MBMU -- Mobile Base Maintenance Unit

MDNAD -- Marine Barracks, Naval Ammunition Depot

MBNAS -- Marine Barracks, Naval Air Station

MBNMD -- Marine Barracks, Naval Mine Depot

MBNOB -- Marine Barracks, Naval Operating Base

MBNS -- Marine Barracks, Naval Station

MBNYd -- Marine Barracks, Navy Yard

MBSB -- marine Barracks, Submarine Base

MSW -- Munitions Assignment Board (Washington)

MBY&D -- Maintenance, Bureau of Yards and Docks (appropriation title)

MC -- Marine Corps

MC -- Maritime Commission

MC -- Megacycles

MC -- USN officer designation for Medical Corps

MCA -- Maritime Control Area

MCA -- Material Coordinating Agency

MCAAF -- Marine Corps Auxiliary Air Facility

MCAAS -- Marine Corps Auxiliary Air Station

MCAB -- Marine Corps Air Base

MBAD -- Marine Corps Air Depot

MCAF -- Marine Corps Air Facility

MCAF -- Mediterranean Coastal Air Force Headquarters

MCAS -- Marine Corps Air Station

MCB -- Marine Corps Base

MCk -- Master Cook

MCM -- Manual for Court Martial (Army)

MCM -- Marine Corps Manual

MC-M -- USNR designation for Merchant Marine officers qualified for General Service in the Medical Corps; this classification was abolished in September 1944 and replaced by MCM.

MCM -- USNR officer designation for General Service, Medical Corps, Merchant Marine

MCMR -- USNR officer designation for General Service, Medical Corps, Merchant Marine. Formerly MCM.

MCMS -- USNR officer designation for Special Service, Medical Corps, Merchant Marine. Formerly MCM(S).

MCO -- Marine Corps Order

MCPD -- Marine Corps Procurement District

MCR -- Marine Corps Reserve

MCR -- USNR officer designation for General Service, Medical Corps. Formerly MC.

MCS -- Marine Corps Schools

MCS -- Megacycles

MCS -- USNR officer designation for Special Service, Medical Corps. Formerly MC(S).

MCT -- Mechanical Comprehension Test

MCV -- Maritime Commission, Victory hip

MCVG -- Marine Carrier Group

MC-V(G) -- USNR designation for medical officers, qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by MC or MC(S).

MC-V(S) -- USNR designation for medical officers qualified for specialist duties. This classification was abolished in September 1944 and replaced by MC or MC(S).

MCW -- Modulated Continuous Wave

MCW -- USNR officer designation for Women's Reserve, Medical Corps. Formerly MC(W).

MCWR -- Marine Corps Women's Reserve

MD -- Marine Detachment

MD -- Maryland

MD -- Medical Department

MD -- Methldichlorarsine

MD -- Mine Disposal

MDW -- Military District of Washington (Army)

ME -- Maine

ME -- Middle East

MEBD -- Medical Examining Board

Mech -- Mechanical

*MECZ -- Mechanized

MED -- Medical

Med -- Mediterranean

MEDICOS -- Mediterranean Instructions to Convoys

#MEDOFCOMD -- Medical Officer-in-Command

MedSupDep -- Medical Supply Depot

MEF -- Forces in the Middle East (GB)

MEI -- Manual of Engineering Instructions

MEIU -- Middle East Interpretation Unit (GB)

MEIU -- Mobile Explosives Investigation Unit

MEMO -- Memorandum

MEO -- Major Engine Overhaul

*MER -- Merchant

MER -- Merchant Shipping Control Plan

MER-1 -- Merchant Shipping Control Operating Plan for the United States

#MERAIR -- Including commercial air

#MERAIRDIR -- In performing the above travel, commercial air is directed where necessary (or between points specified) to expedite completion of this duty

MERCO -- Mercantile Communications

MERCO -- Merchant Ship Movement Reports

MERCOS -- Merchant Codes

MERSIGS -- Merchant Ships' Signal Books

MERSIGS -- Merchant Signals

#MERTRANSUB -- Commercial transportation and subsistence authorized

MESC -- Middle East Supply Center

MesCpl -- Mess Corporal (USMC)

MESS -- Messman

MessSgt -- Mess Sergeant (USMC)

*MET -- Meteorological

Metal -- Metallurgical

METON -- Measured tons discharged or loaded

MEW -- Microwave Early Warning (radar)

MEW -- Ministry of Economic Warfare (GB)

MEX -- Mexico, Mexican

MF -- Medium Frequency

MF -- Midget peeper radar jam

MFA&A -- Monuments, Fine Arts and Archives (SHAEF)

MFairWest -- Marine Fleet Air, West Coast

MFT -- Medical Field Service

MFT -- Medical Field Service Technician

MFWC -- Marine Fleet Air, West Coast

MG -- Machine Gun

MG -- Machine Gunner

MG -- Mark I Machine Gun Trainer

MG -- Military Government

MG -- Mississippi Rover to Galveston (routing designation)

Mgas -- Motor gasoline

MGB -- Motor Gunboat (GB)

MGDA -- Multiple Degaussing Cable

MDM -- Mailgram

MDU -- Military Government Unit

MGUN -- Marine Gunner

MGunSgt -- Master Gunnery Sergeant (USMC)

MGYSGT -- Master Gunnery Sergeant (USMC)

MH -- Congressional Medal of Honor

MHB -- Master Horizontal Bomber

MI -- mare Island

MI -- Medical Illustrator

MI -- Mile(s)

MI -- Military Intelligence (Army)

MIA -- Missing In Action

MICH -- Michigan

"Mickey Mouse" -- Chartlet showing estimated positions at specific times during invasions

Mid -- Middle

Mid -- Midshipman

MID -- Military Intelligence Division (War Department)

MIDN -- Midshipman

MidPac -- Middle Pacific (Army)

MIDS -- Movement Information Distribution Station

Mike -- "M" in the phonetic alphabet

*MIL -- Military

MIME -- Ministry of Information middle East (GB)

*MIN -- Mine; Minecraft

MIN -- Minute

MinBatFor -- Minecraft Battle Force, Pacific Fleet

MinDiv -- Mine Division

MineCtrMeasSta -- Mine Counter-Measure Station

MINN -- Minnesota

MinRon -- Mine Squadron

MINSY -- Mare Island Naval Shipyard

MINU -- Mobile Instrument Investigation unit

MINY -- Mare Island Navy Yard

MIO -- Mobile Issuing Office

MIRS -- Military Intelligence Research Section

MIS -- Material Inspection Service

MIS -- Military Intelligence Services (Army)

MIS -- Mine Issuing Ship

*MIS -- Mission

MISC -- Allotments for miscellaneous purposes

MISS -- Mississippi

MIT -- Massachusetts Institute of Technology

Mit -- Mitigate(d)

"Mitchell" -- See PBJ-#

#MITRE -- Authorized to omit or revisit any of the above mentioned places as may be deemed necessary

#MITREVAR -- Authorized to omit or revisit any of the above mentioned places and to vary the above itinerary as may be deemed necessary

#MITVAR -- Authorized to omit any of the above mentioned places and to vary the above itinerary as may be deemed necessary

MJAO -- Mediterranean Joint Air Orders

Mk -- Mark; see Mark

Mks -- Marksman (USMC)

MKUD -- People's Commissar for Internal Affairs (USSR)

M/L -- Minelayer (GB)

ML -- Molder

ML -- Money List

ML -- Motor Launch

ML -- Small Mine Sweeper

MLC -- Major Landing Craft

MLC -- Military Landing Craft

Mldr -- Molder

MLR -- Mail Line of Resistance (Army)

MLSR -- Molder, Ship Repair

MLSRC -- Molder, Ship Repair, Cupola Tender

MLSRF -- Molder, Ship Repair, Foundryman

MLSRM -- Molder, Ship Repair, Molder

MM -- Machinist's Mate

MM -- Millimeters

MMCBE -- Machinist's Mate, Construction Battalion, Equipment Operator

MMD -- Manual of the Medical Department

MME -- Machinist's Mate, Engineman

MG -- Machinist's Mate, Industrial Gas Generating Mechanic

MMNIC -- Main Mediterranean Naval Intelligence Center

MMP -- Merchant Marine Personnel Division (USCG)

MR -- Machinist's Mate, Refrigeration

MMS -- British vessel corresponding to U.S. YMS [Motor Minesweeper]

MMS -- Machinist's Mate, Shop Mechanic

MMS -- Motor Minesweeper

MMSR -- Machinist's Mate, Ship Repair

MMSRE -- Machinist's Mater, Ship Repair, Engine Operator

MMSRO -- Machinist's Mater, Ship Repair, Instrument Maker

MMSRS -- Machinist's Mater, Ship Repair, Outside Machinist

MMT -- Merchant Marine Technical Division (USCG)

MN -- Mineman

MN or MAN -- Very high frequency voice radio (FM)

MNA -- Missing, not enemy action

MNAO -- Mobile Naval Airfield Organization

MNAU -- Mobile Naval Airfield Unit

Mngr -- Manager

MO -- Medical Officer

MO -- Missouri

*MO -- Mobile

MO -- Monthly Order

Mob -- Mobile

"Moby Dick" -- Experimental Navy rocket engine

Mod -- Modification; used especially to distinguish successive modifications of a type of ordnance equipment. See Mark.

*MOD -- Modify (ied) (ing)

MOF -- Ministry of Food (GB)

MoGas -- Motor Gasoline

MOI -- Ministry of Information (GB)

MOIC -- Medical Officer-in-Charge

MOINC -- Medical Officer-in-Charge

MoMM -- Motor Machinist's Mate

MoMMSR -- Motor Machinist's Mate, Ship Repair

MOMP -- Mid-Ocean Meeting Point

MONAB -- Mobile Naval Air Base

MONT -- Montana

"Moonshine" -- RCM countermeasure device

MOP -- Mustering Out Pay

*MOR -- Moroccan

Morest -- Mobile Arresting Gear

MoroccanSeaFron -- Moroccan Sea Frontier

MorSeaFron -- Moroccan Sea Frontier

MOS -- Marking of Overseas Shipments

MOS -- Ministry of State (GB)

Mo(s) -- Month(s)

MOSC -- Military Oil Sub-Committee (of North African Economic Board)

MOSRD -- Motor Machinist's Mate Ship Repair, Diesel Engineering Mechanic

MOSRG -- Motor Machinist's Mate, Ship Repair, Gasoline Engine Mechanic

*MOT -- Motor

MoTarDiv -- Mobile Target Division

MOTG -- Marine Operational Training Group

"MOTHER" -- Land-based radio homing beacon (YG)

MotoGas -- Motor Gasoline

MotPict -- Motion Picture

Mov -- Movement

MOWT -- Ministry of War Transport (GB)

MP -- Military Police

MP -- Motion Picture Production

MPC -- Manpower Priorities Committee

MPCo -- Military Police Company (USMC)

MPCRI -- Mercantile Pacific Coastal Routing Instructions

MPH -- Miles Per Hour

MPO -- Motion Picture Operator

MPRI -- Merchant Pacific Routing Instructions

MPSC -- Material Planing Schedule and Control (Division of Inspection Offices, Navy)

MQO -- Marksmanship Qualification Order (USMC)

MR -- Medium Range Planes

MR -- Mobilization Regulation (Army)

M/R -- Morning Report (Army)

MRC -- Material Redistribution Center

MRC -- Movement Report Center

MR&D -- Material Redistribution & Disposal

MRI -- Machine Records Installation

MRM -- Medical Repair Technician

MRO -- Maintenance, Repair and Operating Supplies

MRO -- Management Review Officer

MRO -- Movement Report Office

MRS -- Military Railway Service

MRS -- Movement Report Sheet

MRU -- Machine Records Unit (Army)

MRU -- Material Recovery Unit

MS -- Medical Survey

M&S -- Bureau of Medicine & Survey

MS -- Medium Steel

MS -- Minesweeper

M/S -- Minesweeper (GB)

MS -- Mine Sweeping

MS -- MotorShip

MSCI -- Mediterranean Secret Convoy instructions

MSCS -- Merchant Ship Control Service

Msg -- Message

MsgCen -- Message Center

MSGO -- Mediterranean Secret General Orders

Msgr -- Messenger

Msm -- Messman (USMC)

MSmth -- Metalsmith

MSR -- Metalsmith, Ship Repair

MSR -- Monthly Status Report

MSRB -- Metalsmith, Ship Repair, Blacksmith

MSRC -- Metalsmith, Ship Repair, Coppersmith

MSRF -- Metalsmith, Ship Repair, Forger-Anglesmith

MSRS -- Metalsmith, Ship Repair, Sheet Metal Worker

MStd -- Master Steward (USMC)

MSU -- Material Salvage Unit

M/T -- Measurement Tons

MT -- Military Transport

MT -- Motor Transport(ation)

MTAF -- Mediterranean Tactical Air Force Headquarters

MTB -- Maintenance of True Bearing

MTB -- Motor Torpedo Boat

MTBRon -- Motor Torpedo Boat Squadron

MTVSTC -- Motor Torpedo Boat Squadrons Training Center (Melville, R.I.)

Mtcl -- Motorcycle

MTD -- Mobile Target Division (Mine Forces)

MTF -- Mechanical Time Fuse

MTk -- Medium Tank

MTO -- Medical Transport Officer

MTO -- Mediterranean Theater of Operations

MTO -- Mission, Task, Objective

MTP -- Mobilization Training Program (Army)

MTSgt -- Master Technical Sergeant (USMC)

MTSgt(C) -- Master Technical Sergeant (Commissary) (USMC)

MunBg -- Munitions Building (War Department)

Mus -- Musician

MV -- Cargo Ship (GB)

M/V -- Merchant Vessel

MVI -- Merchant Vessel Inspection Division (USCG)

MVSS -- Marine Wing Service Squadron

MWB -- Marine whaleboat

MWT -- Ministry of War Transport (GB)

MWTR -- Ministry of War Transport Representative (GB)

MYDIS -- My dispatch

MYLTR -- My letter

MYMGM -- My mailgram

MYMSG -- May message

MYRAD -- My radio

MYSER -- My serial

MYTEL -- My telegram

--- N ---

N -- First letter in the Navy aircraft designation, including a training plane

N -- A suffix which, when appended to a basic USNR officer classification, indicates special qualifications in electronics: officers who are qualified CIO Watch Officers and who are also qualified in aircraft control under all conditions.

N -- Naval Aircraft Factory (manufacturer's symbol)

N -- Navigation Department of a carrier

N -- Night Fighter (suffix to plane designation); see F6F-5N

N -- North

NA -- Canada to United Kingdom (routing designation)

NA -- National Archives

NA -- Naval Academy

*NA -- Naval Air

NA -- Naval Attache

NA -- Naval Aviator

NA -- Not Appropriated

NAA -- Naval Attache for Air

NAA -- Northern Attack Area

NAAF -- Naval Auxiliary Air Facility

NAAF -- Northwest African Air Force

NAAS -- Naval Auxiliary Air Station

NAB -- Naval Advanced Base

NAB -- Naval Air Base

NABA -- Naval Amphibious Base Annex

NABU -- Naval Advanced Base Unit

NAC -- Naval Academy

NAC -- Naval Air Center

NACA -- National Advisory Committee on Aeronautics

NACAF -- Northwest African Coastal Air Force

NACIO -- Naval Air Combat Information Office(r)

NACIS -- Naval Air Combat Information School

NACSB -- Naval Aviation Cadet Selection Board

NACTU -- Night Attack Combat Training Unit

NACU -- National Association of Colleges and Universities

NAD -- Naval Air Depot

NAD -- Naval Air Detail

NAD -- Naval Ammunition Depot

NADM -- Naval Administration

NADU -- Naval Aircraft Delivery Unit

NAEB -- North African Economic Board

NAer -- Bureau of Aeronautics Publications; later, NAVAER

NAES -- Naval Air Experimental Station

NAF -- Naval Aircraft Facility

NAF -- Naval Aircraft Factory

NAF -- Northern Attack Force

NAFC -- Naval Air Ferry Command

NAFC -- Northern Attack Force Commander

NAFI -- Naval Air Fighting Instructions

NAFS -- Naval Air Fighter School

NAGC -- Naval Armed Guard Center

NAGCO -- Naval Air Ground Center

NAGS -- Naval Air Gunners School

NAIT -- Naval Air Intermediate Training

NAIT(C) -- Naval Air Intermediate Training (Command)

NALO -- Naval Air Liaison Officer

NAM -- Naval Aircraft modification

NAMB -- Naval Amphibious Base

NAMC -- Naval Aircraft Material Center

NAMD -- Naval Ammunition Depot

NAMO -- Naval Aircraft Maintenance Orders

NAMT -- naval Aircraft Mobile Trainer

NAMU -- Naval Aircraft Material (Utility)

NAMU -- Naval Aircraft Modification Unit

"NAN" -- Infra-red signalling system

Nan -- "N" in the phonetic alphabet

NANCF -- North Atlantic Naval Coastal Frontier

"NANCY" Gear -- Infra-red gear for night signalling; formerly, NAN Gear

NANews -- Naval Aviation News

NANFAC -- Naval Air Navigation Facility Advisory Committee

NANS -- Naval Air Navigation School

NAOT -- Naval Air Operational Training

NAOTC -- Naval Air Operations Traiing Command

NAP -- Naval Air Priorities

NAP -- Naval Aviation Pilot

"Napalm" -- Fire bomb used in pre-invasion assaults

NAP(G) -- Naval Aviation Pilot (Glider)

NAPC -- Naval Air Priorities Office

NAPP -- Naval Aviation Preparatory Program

NAPRW -- Northwest African Photographic Reconnaissance Wing

NAPT -- Naval Air Primary Training

NAPT(C) -- Naval Air Primary Training (Command)

NAPTCRO -- Naval Air Primary Training Command Regional Office

NAR -- Naval Air Representative (British Admiralty Delegation, Washington)

NARSTC -- Naval Air Rescue Training Command

NARTC -- Naval Air Research Training Command

NARTU -- naval Air Reserve Training Unit

NAS -- Naval Air Station

NASBERM -- Naval Air Station Bermuda

NASCRIST -- Naval Air Station Corpus Christi

NASD -- Naval Avaition Supply Depot (Philadelphia)

NASDIEGO -- Naval Air Station San Diego

NASGTMO -- Naval Air Station Guantanamo

NASJAX -- Naval Air Station Jacksonville

NASLAKE -- Naval Air Station Lakejurst

LASPENSA -- Naval Air Station Pensacola

NASQUON -- Naval Air Station Quonset Point

NASS -- Naval Air Signal School

NAT -- Naval Air Training

NAT -- North African Theater

NATAF -- Northewest African Tactical Air Force

NATB -- Naval Aier Training Base

#NATBASES -- Naval Air Training Bases

NATC -- Naval Air Testing Center

NATC -- Naval Air Training Center

NATEC -- Naval Air Training and Experimental Command (LTA, Lakehurst)

NATechTraCen -- Naval Air Technical Training Center

#NATNAVMEDCEN -- National Naval Medical Center (Methesda, Maryland)

NATOUSA -- North African Tehater of Operations United States Army

NATS -- Naval Air Transport Service

NATSFerry -- Naval Air Transport Service, Ferry Command

NATSLant -- Naval Air Transport Service, Atlantic Wing

NATSPac -- Naval Air Transport Service, Pacific Wing

NatSup -- National Supply Company

NATT -- Naval Air Technical Training

NATTC -- Naval Air Technical Training Center

*NAV -- Naval; Navy; Navigation(al)

NAVACT -- Communication directed to all Navy activities

NAVAER -- Bureau of Aeronautics Publications

NavAirFac -- Naval Air Facility

NavAirTraCen -- Naval Air Training Center

NAVALOT -- Allotment Division (BuSandA)

NavAmDep -- Naval Ammunition Depot

NAVAUTH -- Naval Authority

NavBase -- Naval Base

NAVBOILAB -- Navy Boiler Laboratory

NAVC -- Naval Aviation Cadet

NAVCG -- Cost Guard Publications

NavCloDep -- Naval Clothing Depot

NACVM -- Navigation countermeasures and deception

NAVCOM -- Naval Communications

#NAVCONTRACEN -- Naval Construction Training Center

#NAVCONVHOSP -- Naval Convalescent Hospital

NavDet -- Naval Detachment

NavDis -- Naval District

NavDiscBar -- Naval Disciplonary Barracks

NavDisp -- Naval Dispensary

NAVDIST -- Naval District

NAVDOCKS -- Bureau of Yards and Docks Publications

NavEu -- U.S. Naval Forces in European Waters

NAVEXAM -- Naval Easmining Board

NAVEXOS -- Executive Office of the Secretary Publications

NavFac -- Naval Facility

NavFlightPrepSchol -- Naval Flight Preparatory School

NavFor -- U.S. Naval Forces

NavForces -- Naval Forces

NavForEu -- U.S. Naval Forces Europe; later, NavEu

NavForGer -- U.S. Naval Forces Germany

NavFrOf -- Navy Freight Office

NavFuelDep -- Naval Fuel Depot

NAVGEN -- Navy General Publications

NavGun -- Naval Gun Factory

NavHome -- U.S. Naval Home (Philadelphia)

NavHosp -- U.S. Naval Hospital

Navig -- Navigation; Navigator

"Navigator" -- See SNB-2-2C

NAVINGSEN -- Naval Inspector General

NAVINTEL -- Naval Intelligence

NAVJAG -- Judge Advocate General's Office Publications

NavJap -- U.S. Naval Forces, Japan

NavMag -- U.S. Naval Magazine

NAVMC -- Marine Corps Publications

NAVMED -- Bureau of Medicine and Surgery Publications

NavMed -- U.S. Naval Forces, Mediterranean

NavMinDep -- Naval Mine Depot

NAVMIS -- Naval Mission

NAVMUT -- Navy Mutual Aid Insurace (allotment for)

NavNAW -- U.S. Naval Forces, Northwest African Waters; later, NavMed

NavNetDep -- Naval Net Depot

NavNorSols -- Naval Forces, Northern Solomons

NavNZ -- NavalForces, New Zealand

NAVOBSY -- Naval Observatory

NavOpFac -- Naval Operation Facility

NAVORD -- Naval Ordnance Publications

NavPhil -- U.S. Naval Forces Philippines

NavPowFac -- Naval Powder Factory

NavPreFlightScol -- Naval PreFlight School

NavPris -- Naval Prison

NavProv -- Naval Proving Ground (Dahlgren, Va.)

NAVPUBSConBd -- Navy Department Publications Control Board

NavPur -- Navy Purchasing Office

NavRadSta -- Naval Radio Station

NavRes -- Naval Reserve

NavResLab -- Naval Research Laboratory

#NAVRESMIDSCOL -- Naval Reserve Midshipmen's School

NavRetrainCom -- Naval Retraining Command

NavRoute -- Navy Routing Office

NavRyukyus -- Naval Forces, Ryukyus

NAVSANDA -- Bureau of Supplies and Accounts Publications; formerly, NSA

NAVSHIPS -- Bureau of Ships Publications

NavShipYd -- Naval Ship Yard

NavSta -- Naval Station

NavTechJap -- Naval Technical Mission to Japan (US)

NavTechTraCen -- Naval Air Technical Training Center

NavTecMisEu -- naval Technical Mission in Europe (US)

NavTorpSta -- Naval Torpedo Station

#NAVTRADISTCEN -- Naval Training and Distribution Center

NAVTRANSAIR -- For travel by Naval Transport Aircraft Class priority is hereby certified

NavTraScol -- Naval Training School

NavTraSta -- Naval Training Station

#NAVWARCOL -- Naval War College

NavWesPac -- U.S. Naval Forces Western Pacific

Navy No.--- -- Navy Number (mail address, disguised) [click for full list]

Navy Regs -- U.S. Navy Regulations

NB -- Naval Base

NBAD -- Naval Bases Air Defense

NBC -- Navy Beach Commando

NBPA -- Navy Board for production Awards

NBS -- Bureau of Ships Publications; later, NAVSHIPS

NBSS -- Naval Beach Signal Section

NC -- Naval Correspondence

NC -- navy Cross

NC -- North Carolina

NC -- Petroleum Technician

NC -- Special Projects

NC -- USN officer designation for Nurse Corps USN

NCA -- Naval Communications Annex

NCAP -- Naval Air Combat Patrol

NCAR -- North Carolina

NCB -- Naval Communications Board

NC&B -- Naval Courts & Boards

NCD -- Notice of Credit Due

NCDC -- Naval Contract Distribution Center

NCDT&E Base -- Naval Combat Demolition Training and Experimental Base (Maui, T.H.)

NCDU -- Naval Combat Demolition Unit

NCG -- Coast Guard Publications; later, NAVCG

NCI -- Naval Coast Inspector

NCO -- Non-Commissioned Officer

NCOinC -- Non-Commissioned Officer-in-Charge

NCPI -- Navy Civilian Personnel Instructions

NCSL -- Naval Code and Signal Laboratory

NCSC -- Naval Control Service Office (World War II British Routing Service)

NCTC -- Naval Construction Training Center

NCUSA -- Navy Club of the United States of America

NCWTF -- Naval Commander Western Task Force

ND -- Naval District

ND -- Navy Department

NDAC -- National Defense Advisory Commission

NDAK -- North Dakota

NDB -- Naval Disciplinary Barracks

NDB -- Navy Department Bulletin

NDBS -- Naval Despatch Boat Service

NDBulCumEd -- Navy Department Bulletins, Cumulative Editions

NDD&RF -- Naval Dry Dock and Repair Facility

NDF -- Naval Dairy Farm

NDGO -- Navy Department General Order

NDO -- Navy Disbursing Officer

NDOS -- National Defense Operations Section (FCC)

NDP -- Navy Department Personnel

NDRC -- National Defense Research Council

NE-# -- "Grasshopper"; single-engine Navy utility plane (VJ), manufactured by Piper

NE -- Northeast

#NEARNAVDIST -- Commandant of the nearest Naval District

NEBR -- Nebraska

NEF -- Naval Emergency Fund (appropriation title)

NEGAT -- Negative

NEI -- Netherlands East Indies

NEL -- naval Electronics Laboratory

NEL -- Naval Explosive Laboratory

"Neptune" -- See P2V-2

NES -- Naval Experimenting Station

NEV -- Nevada

*NEWFO -- Newfoundland

NEWLON -- New London, Connecticut

NF or N/F -- Night Fighter aircraft

NF -- Norfolk

NF -- Norfolk, Virginia (Navy Yard)

NF -- Nose Fuse

NFA -- Naval Fuel Annex

NFB -- Naval Frontier Base

NFD -- Naval Fuel Depot

NFIS -- Naval Fighting Instruction School

NFPS -- Naval Flight Preparatory School

NFTB -- Naval Fleet Training Base

NFTS -- Naval Flight Training School

NG -- New York to Guantanamo (routing designation)

NGA -- A two frequency supersonic sounding gear for use with WFA (sonar)

NGF -- Naval Gun Factory

NGF -- Naval Gunfire

NGLO -- Naval Gunfire Liaison Officer

NGS -- Naval Gunfire Support

NH -- Naval Home

NH-# -- "Nightingale"; single-engine Navy trainer (VN), manufactured by Howard

NH -- Naval Hospital

NH -- New Hampshire

NHA -- National Housing Administration

NHAMP -- New Hampshire

NHO -- Hydrographic Office Publications

NHOS -- Naval Hospital

NI -- Naval Intelligence

NIA -- Navy Industrial Association

NICO -- Navy Inventory Control Office

NID -- Naval Intelligence Division(British Admiralty)

NID -- U.S. Naval Intelligence Division; usually, ONI

NIDS -- Navigation Instrument Development Unit

NIG -- Naval Inspector General

"Nightingale" -- See GH-#, NH-#

NIM -- Naval Inspector of Machinery

NInst -- Nose Instantaneous

NIO -- Naval Inspector Ordnance

NIO -- Navigational Information Office

NIP -- Nipponese

NIS -- Naval Inspection Service

NITE -- Night

NiteDevRon -- Night Development Squadron

NIU -- Naval Intelligence Unit

NJ -- New Jersey

NJC -- Navy Job Classification manual

NJPMB -- Navy Jet Propelled Missile Board

NK -- New York to Key West (routing designation)

NL -- Naval Lighter (5x5x7 welded steel pontoons)

NL -- New London, Connecticut

NLD -- Navy Lighter (Pontoon) Dock

NLDF -- Naval Local Defense Forces

NLFED -- Naval Landing Force Equipment Depot

NLFM -- Noise Level Monitor (sonar)

NLO -- Naval Liaison Officer

NLRB -- National Labor Relations Board

NLSC -- Navy Lockheed Service Center

NLT -- Night Letter

NM -- Nautical Miles

NM -- Naval magazine

NM -- New Mexico

NM -- Sounding gear (fathometers); for use with WCA and WDA installations for sonar

NMAA -- Navy Mutual Air Association

NMAG -- Naval Magazine

NMB -- Naval Model Basin

NMC -- Marine Corps Publications; later, NAVMC

NMC -- Naval Medical Center

NMC -- Navy Mail Clerk

NMCJS -- Naval Member Canadian Joint Staff

NMCLK -- Navy Mail Clerk

N&MCM -- Navy and Marine Corps Medal

NMD -- Naval Mine Depot

NMDS -- Naval Mine Disposal School

NMEX -- New Mexico

NMG -- Navy Military Government

NMP -- Naval Management Program

NMRC -- Navy Material Redistribution Center

NMR&DA -- Navy material Redistribution and Disposition Administration (BuSandA)

NMR&DO -- Naval Material Redistribution and Disposal Office(r)

NM&S -- Bureau of Medicine and Surgery Publications

NMS -- Naval Meteorological Service

NMSB -- Navy manpower Survey Board

NMSD -- Naval Medical Supply Depot

NMSHC -- Bureau of Medicine and Surgery Hospital Corps Publications; later, NAVMED

NMTS -- Naval mine Testing Center

NMWS -- Naval Mine Warfare School

NMWTS -- Naval Mine Warfare Test Station

N3N -- Navy training plane (CV), manufactured by Naval Aircraft Factory

NN -- Newport News Shipbuilding and Drydock Company

NNAV -- Bureau of Navigation Publications; later, BPN; the, NAVPERS

NNC or NC -- Navy Nurse Corps

NND -- Naval Net Depot

NNI -- Office of Naval Intelligence Publications

NNMC -- National Naval Medical Center (Bethesda, Maryland)

NNSB&DDCo -- Newport news Shipbuilding and Drydock Company

NNYd -- Norfolk Navy Yard

NO -- Naval Observatory

NO -- New Orleans, Louisiana

No -- Number

NO -- Civil Works Contracts (BuSandA symbol)

NOa -- Miscellaneous contract, written by BuAer (BuSandA symbol)

NOa(F) -- Purchases by Bureau of Aeronautics (Facilities) (BuSandA symbol)

NOa(S) -- Purchases by Bureau of Aeronautics (Supplies); contracts written by BuAer (BuSandA symbol)

NObs -- Contract for BuShips; written by BuShips (BuSandA symbol)

NObs(F) -- Purchases by Bureau of Ships (Facilities) (BuSandA symbol)

NOd -- Contract for Adjutant-General (BuSandA symbol)

NOd -- Contract written by Secretary of Navy's Office (BuSandA symbol)

NOIC -- Naval Officer-in-Charge (British controlled port)

NOm -- Contract for U.S> Marine Corps (BuSandA symbol)

NOm -- Purchases by the Quartermaster, Headquarters, U.S. Marine Corps (BuSandA symbol)

Non -- Nonclassified

NOp -- Purchases by Bureau of Naval Personnel; contract written by BuPers (BuSandA symbol)

NOrd -- Purchases by Bureau of Ordnance; contract written by BuOrd (BuSandA symbol)

NOrd(F) -- Purchases by Bureau of Ordnance (Facilities) (BuSandA symbol)

NOs -- Contract for Bureau of Supplies and Accounts (BuSandA symbol)

NOy -- Contract for Bureau of Yards and Docks (BuSandA symbol)

NOy -- Purchases by Bureau of Yards and Docks; contract written by BuDocks (BuSandA symbol)

NOyr -- Contract for real estate (BuSandA symbol)

Nps -- Payments by Office of the Under Secretary of the Navy for personal services (BuSandA symbol)

N5sa -- Purchases by Bureau of Supplies and Accounts for Bureau of Aeronautics (BuSandA symbol)

N5sd -- Purchases by Bureau of Supplies and Accounts for the Office of the Secretary (BuSandA symbol)

N5sm -- Purchases by Bureau of Supplies and Accounts for the Bureau of Medicine and Surgery (BuSandA symbol)

N5so -- Purchases by Bureau of Supplies and Accounts for the Bureau of Ordnance (BuSandA symbol)

Ntsp -- Purchases by Bureau of Supplies and Accounts for the Bureau of Naval Personnel (BuSandA symbol)

N5sr -- Purchases by Bureau of Supplies and Accounts for the Bureau of Ships (Radio) (BuSandA symbol)

N5ss -- Purchases by Bureau of Supplies and Accounts for the Bureau of Ships (BuSandA symbol)

N5sx -- Purchases by the Bureau of Supplies and Accounts for the Bureau of Supplies and Accounts (BuSandA symbol)

N5sy -- Purchases by the Bureau of Supplies and Accounts for the Bureau of Yards and Docks (BuSandA symbol)

NOB -- Naval Operating Base

NOBDUCHAR -- Naval Operating Base, Dutch Harbor

NOBFRAN -- Naval Operating Base, San Francisco

NOBNEWT -- Naval Operating Base, Newport

NOBSOLO -- Naval Operating Base, Coco Solo

NOBSY -- Naval Observatory

NOBTRIN -- Naval Operating Base, Trinidad

NOCT -- Navy Overseas Cargo Terminals

NODC -- Naval Operating Development Center

NodE -- Netherlands Forces in the East

NO EFF -- No effects

NOF -- Naval Operating Facility

NOFT -- Naval Overseas Freight Terminal

NOI -- Non-Operational Intelligence

NOIC -- Naval Officer-in-Charge

NOIO -- Naval Ordnance Inspecting Officer

NOL -- Naval Ordnance Laboratory

NOLa -- New Orleans, Louisiana

"Nomad" -- See PBN-#

NOP -- Naval Officer Procurement

NOP -- Naval Ordnance Plant

NOPCL -- Naval Officer Personnel Circular Letter

Nor -- Normand (boiler)

*NOR -- North(ern)

NORBS -- Northern Base Section (Corsica)

NorCalSec -- Northern California Section, Western Sea Frontier

NOrd -- Bureau of Ordnance Publication; later, NAVORD

NorPac -- North Pacific Area; North Pacific Force

"Norseman" -- See JA-#

NorSols -- Northern Solomons Area

NorVa -- Norfolk, Virginia

NorVaGrp -- Norfolk, Virginia Group

NorWesSeaFron -- Northwestern Sea Frontier

NorWesSec -- Northwestern Sector, Western Sea Frontier

NOTAL -- Not at all

NOTS -- Naval Ordnance Test Station

NOTU -- Naval Operational Training Unit

NP -- Naval Prison

NP -- Newport, Rhode Island

NPA -- naval Procurement Account

NPA -- Postal Affairs Section Publications

NPAB -- Navy Price Adjustment Board

NPANX -- Naval Potomac Annex

NPC -- Neuropsychiatry Clerical Procedure

NPC -- Neuropsychiatry Clerical Technician

NP-CLT -- Neuropsychiatry Clerical Procedure Technician

NPDI -- Non-performance of duty because imprisoned

NPF -- naval Powder Factory

NPF -- Naval Procurement Fund (appropriation title)

NPF&PP -- Naval Prison Farms and Prison Personnel (appropriation title)

NPFS -- Naval Pre-Flight School

NPG -- Naval Proving Grounds

NPO -- Naval Port Officer

NPR -- Naval Petroleum Reserve

NPSC -- Naval Personnel Separation Center

NPSD -- naval Photographic Services Depot (Hollywood)

NPT -- Neuropsychiatry

NPT -- Neuropsychiatry Technician

NR -- U.S. Naval Reserve

NR -- U.S. Naval Regulations

NR -- Number

NRA -- Naval Radio Activity

NRAB -- Naval Reserve Aviation Base

NRAF -- Naval Reserve Auxiliary Field

NRB -- Naval Repair Base

NRB -- Navy Reservation Bureau

NRD -- Office of Naval Research and Development

NRDFS -- Naval Radio Direction Finder Service

NRES -- Naval Receiving Station

NRL -- naval Research laboratory

NRLO -- Royal Naval Liaison Officer

NRMC -- Naval Records Management Center

NRMS -- Naval Reserve Midshipmen's School

NROTC -- Naval Reserve Officer Training Corps

NRPB -- National Research Planning Board

NRPB -- National Resources Planning Board

NRPIO -- Naval Registered Publications Issuing Office

NRPM -- Non-Register Publications Memoranda

NRS -- Naval Radio Station

NRS -- Navy Recruiting Station

NRS -- Navy Relief Society

NRT -- Vessels assigned Naval Districts for training Naval Reserves

N2S -- "Kaydet"; Navy training plane (VN), manufactured by Stearman

NS -- Naval Station

NS -- Nimbostratus

NSA -- Navy Stock Account

NSA -- Naval Supply Account

NSB -- Naval Submarine Base

NSC -- Naval Supply Center

NSCF -- Naval Small Craft Facilities

NSD -- Naval Supply Depot

NSDA -- Naval Supply Depot Annex

NSF -- Naval Stock Fund

NSHO -- Naval Service Headquarters, Ottawa

NSI -- National Service Life Insurance

NSMG -- Naval School of Military Government

NSMG&A -- Naval School of Military Government and Administration

NSPD -- Naval Shore Patrol Detachment

NSRS -- Naval Supply Radio Station

NS&T -- Naval Science and tactics

NSU -- Naval Scout Unit

NSY -- Naval Shipyard

NSYd -- Naval Shipyard

NT -- Naval Training

N2T -- "Tutor"; single-engine Navy training plane (VN), manufactured by Timm

NTC -- Naval Training Center

NT&DC -- Naval Training and Distribution Center

NTE -- Navy Teletypewriter Exchange (now NTX)

NTI -- Naval Travel Instructions

NTORS -- Naval Torpedo Station

NTTC -- Naval Technical Training Center

NTTR -- Naval Torpedo Testing Range

NTS -- Naval Target Sub-division (G-2, SHAEF)

NTS -- Naval Torpedo Station

NTS -- Naval Training School

NTS -- Naval Training Station

NTS -- Naval Transportation Service

NTSch -- Naval Training School

NTU -- Naval Training Unit

NTX -- Navy Teletypewriter System (previously NTE)

NUSL -- Naval Underwater Sound Laboratory

NW -- Northwest

NWB -- New War Department Building

NWC -- Naval War College

NWF -- Naval Working Fund

NWI -- Netherlands West Indies

NWLB -- National War Labor Board

NWSF -- Northwest Sea Frontier

Nxs -- Contract for BuSandA; written by BuSandA (BuSandA symbol)

Nxss -- Contract for BuShips; written by BuSandA (BuSandA symbol)

NY -- Navy Yard

NY -- New York

NY -- New York (Navy Yard)

NYA -- National Youth Administration

NYAL -- National Yugoslav Army of Liberation

NYBos -- Navy Yard Boston

NYCharl -- Navy Yard Charleston

NYD, NYd or NY -- Navy Yard

NYK or Nyk -- New York, New York

NykGrp -- New York Group

NYMI -- Navy Yard Mare Island

NYNor -- Navy Yard Norfolk

NYNyk -- Navy Yard New York

NYPE -- New York Port of Embarkation

NYPH -- Navy Yard Pearl Harbor

NYPhil -- Navy Yard Philadelphia

NYPort -- Navy Yard Portsmouth, New Hampshire

NYPS -- Navy Yard Puget Sound (Bremerton)

NYS -- New York Shipbuilding Company

NYWash -- Navy Yard Washington (D.C.)

NZ -- New Zealand

NZLO -- New Zealand Liaison Officer

NZNB -- New Zealand Naval Board (Wellington)

NZSeaFron -- New Zealand Sea Frontier

S T U V W X Y Z
--- O ---

O -- First letter in the Navy aircraft designation, indicating an observation plane

O -- Horizontal Opposed (aircraft engine)

O -- Lockheed Aircraft Corporation (manufacturer's symbol)

O -- Officer of Operations (USCG)

O -- Organized Naval reserve

O1 -- Organized Naval Reserve Seagoing

O2 -- Organized Naval Reserve Aviation

OAA -- Radar Test Equipment

OAD -- Officers' Accounts Division

O&A Date -- Oath and Acceptance Date

OAM -- Orthopedic Appliance Mechanic

OAN -- Aids to Navigation Division (USCG)

OANDOS -- Ordnance and Ordnance Stores (USCG)

OAP -- Observation amphibian plane (USCG)

OAS -- Occupied Areas Section (Military Government)

OATC -- Oceanic Air Traffic Center

OATC -- Overseas Air Traffic Control

OAV -- Aviation Division (USCG)

OB -- Operating Base

OB -- Operational Base

OB -- Ordnance Battalion

OB -- Ordnance Board

OBB -- Old Battleship

OBJ -- Radar training device

Oboe -- "O" in the phonetic alphabet

OBR -- Office of Budget and Reports

*OBS -- Observatory

ObsRon -- Observation Squadron

OBSY -- Observatory

OC -- Communications Division (USCG)

OC -- Office of Censorship

OC -- Officer Candidate (Army)

OC -- Officer Commanding (USMC)

O/C -- Officer-in-Charge (Army)

OCAS -- Officer-in-Charge of Armament Supply

Occ -- Occulting

OCD -- Officer of Civilian Defense

OCE -- Officer Conducting the Exercise

OCJ -- Radar Training Device

OCL -- Old Light Cruiser

OCL -- Ordnance Circular Letters

OCNPR -- Operation and Conservation of Naval Petroleum Reserves (appropriation title)

OCR -- Office of Civilian Requirements (WPB)

OCS -- Office of Contract Settlement

OCS -- Officer Candidate School (Army)

OCSigO -- Office of the Chief Signal Officer (Army)

OCT -- Office of the Chief of Transportation (Army)

OCV -- Old Aircraft Carrier

OD -- Officer-of-the-Day

OD -- Ordnance Data (inspection and test data)

ODD -- Old Destroyer

ODP -- Organized Reservists in drill pay status

ODT -- Office of Defense Transportation

OEG -- Operations Evaluation Group

OEM -- Officer of Emergency management

OEW -- Office of Economic Warfare

*OF -- Office(r)

OFEA -- Office of Foreign Economic (Lend-Lease) Administration

OFEC -- Office of Foreign Economic Coordination

OFERRA -- Office of Foreign Economic Relief and Rehabilitation Administration

Off -- Office(r)

OffNavHist -- Office of Naval History

OFLC -- Office of Foreign liquidation Commission

LCP -- Operating Force Plan

OFRR -- Office of Foreign Relief and Rehabilitation

OFRRO -- Office of Foreign Relief and Rehabilitation Operations

OFS -- Office of Field Service (OSRD)

OFT -- Operational Flight Trainer

OFU -- Floating Units Division (USCG)

OG -- Officer of the Guard (Army)

OGC -- Office of General Counsel

OGR -- Ordnance, Gunnery and Readiness Division (USCG)

OGU -- Outgoing Unit

OHI -- Ordnance Handling Instructions

OIAA -- Office of Inter-American Affairs

OIC -- Officer-in-Charge

OIL -- Ordnance Investigation Laboratory

OinC or OINC -- Officer-in-Charge

OinCABCCTC -- Officer-in-Charge, Advanced Base Combat Communication Training Center (Pearl Harbor)

OIR -- Office of Industrial Relations (previously SECP)

"Oka" -- Japanese rocket-propelled one man guided missile; also called "Cherry Blossom"

OKLA -- Oklahoma

OLLA -- )Office of Lend-Lease Administration

OLP -- Observation landplane (USCG)

OLP -- Office of Labor Production (WPB)

O&LS -- Ocean and Lake Surveys (Navy) (appropriation title)

OM -- Officer Messenger

OM -- Order of Merit

OME -- Office of management Engineer

OMGUS -- Office of Military Government United States

OMI -- Ordnance Modifications Instructions

OMM -- Officer Messenger Mail

OMMC -- Officer Messenger Mail Center

OMM(S)C -- Officer Messenger Mail (Sub) Center

OMPUS -- Official Munitions Production United States

ON -- Liverpool to New York, fast (routing designation)

#ONBOSUB -- And on board a submarine of that (fleet, force, squadron, or division, as appropriate)

#ONBOWOOM -- For duty on board that vessel when placed in commission

#ONBOWSERV -- For duty on board that vessel when placed in service

ONH -- Office of Naval History

ONI -- Office of Naval Intelligence

ONM -- Liverpool to New York, medium (routing designation)

ONOP -- Office of Naval Officer Procurement

*ONOP -- Officer-in-Charge, Branch Office of naval Officer Procurement

ONR -- Office of naval Research (formerly Office of Research and Inventions) (ORI))

ONS -- Liverpool to Halifax, slow (routing designation)

OOD -- Officer-of-the-Deck

O&OS -- Ordnance and Ordnance Stores, Navy (appropriation title)

OP -- Observation post (USMC)

OP -- Office of Chief of Naval Operations

Op 1 (2, etc.) -- Division 1 (2, etc.) of Office of CNO

*OP -- Operating; Operator; Operation(al)

OP -- Operational Priority

OP -- Ordnance Pamphlets

OP -- Ordnance Personnel

OPA -- Office of Price Administration

OpAttyGen -- Opinion of the Attorney General

OPC -- Optician

Op-Com -- Operations-Communications

OPD -- Operations Division (War Department, General Staff)

OpDevFor -- Operations Development Forces

Oper -- Operator

Opers -- Operations

OPET -- Organization, Personnel Equipment and Training (Group)

OP&I -- Office of Patents and Inventions

OpIntel -- Operational Intelligence

OPL -- Outpost Line (Army)

OPLR -- Outpost Line of Resistance (Army)

OP&M -- Office of Procurement and Material

OPM -- Office of Production Management

OPM -- Optometrist

OPMG -- Office of Provost Marshal General (also PMGO)

OpNav -- Office of the Chief of Naval Operations; short title: CNO

OP Plan -- Operating Plan

OPR -- Office of Public Relations

Opr -- Operator

OPS -- Operations

Op(s)ArmyJAG -- Opinion(s) of the Army Judge Advocate General

OPT -- Optician

OpTra -- Air Operational Training

OPU -- Overseas Plexiglass Unit

OQMG -- Office of the Quartermaster General (Army)

OR -- Operations Room

OR -- Orange, Texas

ORA -- Organization de Resistance de L'Armee (France)

Orange -- War plans for use in war against Japan

ORC -- Officers' Reserve Corps (Army)

ORD -- Office of Rubber Director (WPB)

Ord -- Orderly

*ORD -- Ordnance

ORDALT -- Ordnance Alterations

ORDC -- Ordnance Research and Development Center (Aberdeen Proving Grounds, Maryland)

#ORDCAN -- Orders (identified by date or dispatch reference numbers following) are hereby cancelled

#ORDCOR -- Orders (identified by date or dispatch reference numbers following) are hereby corrected

ORD DIS -- Ordinary Discharge

Ord Eng -- Ordnance Engineering

#ORDMOD -- Orders (identified by date or dispatch reference numbers following) are hereby modified

ORE -- Oregon

ORG -- Operations Research Group

ORI -- Office of Research and Inventions; now, Office of Naval Research ONR

Orig -- Original

ORIG -- Originator

ORT -- Operating Room Technician

OS -- First two letters in the Navy aircraft designation, indicating an observation-scouting plane

OS -- Ordnance Specifications

Osc -- Oscillator

OSC -- Own ship's course

OS&D or OS/D -- Over, Short, and Damaged (Report) (Army)

OSFCW -- Office of Solid Fuels Coordinator

OSigO -- Office of Chief Signal Officer

OS2N -- "Kingfisher"; single-engine Navy scout-observation (VSO), seaplane, manufactured by Naval Aircraft Factory

OSRD -- Office of Scientific Research and Development

OSS -- Office of Strategic Services; now, SSU

OSS -- Old Submarine

OSTD -- Ordnance Standards

OSU -- Shore Units Division (USCG)

OS2U -- "Kingfisher"; single-engine Navy scout-observation (VSO), landplane and seaplane, manufactured by Vought-Sikorsky

OSW -- Office of Secretary of War

OT -- Aruba or Curacoa to Northwest Africa (routing designation)

OT -- Curacoa to Trinidad (routing designation)

OT -- New York to Netherlands West Indies (routing designation)

OT -- Occupational Therapy Technician

OTC -- Officer-in-Tactical Command

OTC -- Officers' Training School

OTCLant -- Fleet Operational Training Command, Atlantic (usually COTCLant)

OTCPac -- Fleet Operational Training Command, Pacific (usually COTCPac)

OTI -- Ordnance Technical Instructions

OTU -- Operational Training Unit

OUSW -- Office of the Under Secretary of War

OVPD -- Overpaid

O-V(RS) -- USNR designation for ordnance officers, commissioned and warrant, including radio electricians, qualified for specialist duties. This classification was abolished in September 1944 and replaced by the proper aviation or engineering classification with the suffix "T".

O-V(S) -- USNR designation for ordnance officers, commissioned and warrant, including gunners and torpedomen, qualified for specialist duties. This classification was abolished in September 1944 and replaced by one of the following: (D), (D)L, (S), S(O), or S(O) with proper numeral indicating particular specialty within ordnance.

OWI -- Office of War Information

OWM -- Office of War Mobilization

OWM&R -- Office of War Mobilization and Reconversion

OWU -- Office of War Utilities (WPB)

OY-# -- "Sentinel"; observation-scout (VOS), manufactured by Consolidated-Vultee

--- P ---

P -- First letter in the Navy aircraft designation, indicating a patrol plane

P -- Office of Personnel (USCG)

P -- Fixed provision for photographic reconnaissance missions (suffix to plane designation); as, F6F-5P

P -- Pilot

P -- Piper Aircraft corporation (Glider) (manufacturer's symbol)

P -- Professional (Civil Service employees designation)

P -- P-V Engineering Forum, Inc. (Helicopter) (Manufacturer's symbol)

P -- Spartan Aircraft Co. (manufacturer's symbol)

PA -- Attack Transport (contraction of APA)

*PA -- Panama

PA -- Pennsylvania

PA -- Permanent Appointment

PA -- Philadelphia (Navy Yard)

P/A -- Pilotless Aircraft

PA -- Port Agency (Army)

P&A -- Procurement and Assignment

PA -- Public Address

PAA -- Pan-American Airways

PAB -- Price Adjustment Board

PAB -- Priorities Allotment Board

*PAC -- Pacific

PAC -- Political Action Committee

PAC -- Program Adjustment Committee

PacAdv -- Pacific Fleet Advance Headquarters (Guam)

PacCall -- Pacific Fleet Calls (radio call signs)

PacCom -- Pacific Fleet Communications Instructions

PacFleet -- Pacific Fleet

PacFlt -- Pacific Fleet

PacHedPearl -- Pacific Headquarters, pearl Harbor, T.H.

PaCorNaLog -- Pacific Coast Coordinator of Naval Logistics

PACREP -- Port Activities Report

PacResFlt -- Pacific Reserve Fleet

PAct -- Acting Pay Clerk

PACUSA -- Pacific Air Command, U.S. Army

PAD -- Pilotless Aircraft Division

PAD -- Pontoon Assembly Detachment

PAGTU -- Pan-American Ground Training Unit

PAL -- Prisoner-at-Large

PANAIR -- Panama Air Lines

PANDS -- Pay and Supply (USCG)

PanSeaFron -- Panama Sea Frontier

PAP -- Patrol Amphibian Plane

Par -- Parsons design (ship engines)

Para -- Parachute; Parachutist

Para -- Paragraph

PAREC -- Pay Record

PAREN -- Parenthesis

PARU -- Photographic and Reproduction unit

*PAS -- Passage(nger)

PAS -- Physically on board as a prisoner

PA/SO -- Port Anti-Submarine Officer

PASU -- Patrol Aircraft Service Unit

*PAT -- Patrol

PAT -- Physically on board for treatment; sot ship's company

PAT -- Property and Accounting Technician (Medical)

PatBomRon -- Patrol Bombing Squadron

PatFor -- patrol Force

PatRon -- Patrol Squadron

PatSU or Patsu -- Patrol Aircraft Service Unit

PatWing -- Patrol Wing; now, Fleet Air Wing

PatWingLantFlt -- Patrol Wing Atlantic Fleet

PatWingLantFleet -- Patrol Wing Atlantic Fleet

PatWingScoFor -- Patrol Wings Scouting Force

Patx -- Patuxent River

PAU -- Pilotless Aircraft Unit

PAV -- Pay Adjustment Voucher

PAW -- Petroleum Administration for War

*PAY -- Paymaster

PAY -- Payment

PayMarCorps -- Paymaster, Marine Corps

PB -- First two letters in the Navy aircraft designation, indicating a patrol-bombing plane

PB2B-# -- "Catalina"; twin-engine Navy patrol-bomber (VPB(MS)), seaplane, manufactured by Boeing (Canada)

PBJ-# -- "Mitchell"; twin-engine Navy patrol-bomber (VPB(MS)), manufactured by North American

PBM-1 -- "Mariner"; twin-engine Navy patrol-bomber (VPB), manufactured by Martin

PBM-3-5 -- "Mariner"; twin-engine Navy patrol-bomber (VPB(MS)), seaplane, manufactured by Martin

PBM-3R -- "Mariner"; twin-engine Navy transport (VR(MS)), seaplane, manufactured by Martin

PB2M-1R -- "Mars"; four-engine Navy transport (VR(HS)), seaplane, manufactured by Martin

PBN-# -- "Nomad"; twin-engine Navy patrol-bomber (VPB(MS)), seaplane, manufactured by Naval Aircraft Factory

PBO-# -- "Hudson"; twin-engine Navy patrol-bomber (VPB), landplane, manufactured by Lockheed

P Boat -- Patrol Bomber (PBY)

PBS -- Peninsular Base Section

PB-1W -- "Flying Fortress"; four-engine Navy patrol plane, manufactured by Boeing

PBY-# -- "Catalina"; twin-engine Navy patrol-bomber (VPB), manufactured by Consolidated-Vultee

PB2Y-2-3 -- "Coronado"; four-engine Navy patrol-bomber (VPB), manufactured by Consolidated-Vultee

PB2Y-3R -- Four-engine Navy transport (VR(HS)), manufactured by Consolidated-Vultee

PB2Y-5 -- "Coronado"; four-engine Navy patrol-bomber (VPB(HS)), seaplane, manufactured by Consolidated-Vultee

PB2Y-5R -- "Coronado"; four-engine Navy transport (VR(HS)), seaplane, manufactured by Consolidated-Vultee

PB4Y-1-1P -- "Liberator"; four-engine Navy patrol-bomber (VPB), landplane, manufactured by Consolidated-Vultee

PB4Y-12 -- "Liberator"; four-engine Navy transport (VR(HL)), landplane, manufactured by Consolidated-Vultee

PB4Y-2-2C -- "Privateer"; four-engine Navy patrol-bombers (VPB(HL)), landplane, manufactured by Consolidated-Vultee

PBX -- Private Branch Exchange (telephone switchboard)

PC -- Civilian Personnel Division (USCG)

PC -- Patrol Vessel, Submarine Chaser (173')

PC -- Pay Clerk

PC -- Pharmacy Corps (Army)

PCA -- Personal Cash Allowance

PCC -- Postal Concentration Center

PC(C) -- Submarine Chaser (173') (Control)

PCCNL -- Pacific Coast Coordinator of Naval Logistics

PCE -- Patrol Vessel, Escort (180')

PCE(C) -- Patrol Vessel, Escort (180') (Control)

PCE(R) -- Patrol Craft, Escort (Rescue) (180')

PCFO -- Position Classification Field Office

PClk -- Pay Clerk

PCmdr -- Post Commander (USMC)

PCO -- Prospective Commanding Officer

PCS -- Patrol Vessel, Submarine Chaser (136') (Control)

PCS -- Position, Course, and Speed

PCT -- Pharmacy and Chemistry Technician

PD -- Demobilization Division (USCG)

PD -- Port Director

PD -- Port of Debarkation

PD -- Priority Directive

PDD -- Physical Damage Division

Pdr -- Pounder (armament)

P≈D Sec -- Pioneer and Demolition Section (Army)

PE -- Ensiled Personnel Division (USCG)

PE -- Patrol Vessel, Eagle (Eagle Boat)

PE -- Pensacola, Florida

PE -- Pistol Expert

PE -- Port of Embarkation

PE -- Post Exchange (USMC)

P&E -- Procurement & Expedition

P&E -- Progress & Expedity

Pearl -- Pearl Harbor, T.H.

PEC -- Production Executive Committee

PEDC -- Personal Effects Distribution Center

PENN -- Pennsylvania

PEO -- Prospective Engineer Officer

#PERGRA -- Permission granted

#PERNOGRA -- Permission not granted

*PERS -- Personnel

PersClfn -- Personnel Classification

PersD -- personnel Department (USMC)

PERSOF -- Personnel Officer

PersSepCent -- Personnel Separation Center

Pers&TraComd -- Personnel and Training Command

PERS TRAN -- Personal Transportation

*PET -- Petroleum

Peter -- "P" in the phonetic alphabet

PetRes -- Petroleum Reserves

PetSec -- Petroleum Section (Allied Force Headquarters)

PF -- Patrol Vessel, Frigate

PFC -- Private First Class

PFCO -- Position Field Classification officer

PG -- Patrol Vessel, Gunboat

PG -- Pay Group

PG -- Photogrammetry

PG -- Pilottown to Galveston (routing designation)

PG -- Post Graduate

PGC -- Persian Gulf Command (US Army)

PGM -- Patrol Vessel, Motor Gunboat

PH -- Pearl Harbor, T.H.

PH -- Plane Handler

PH -- Purple Heart

PH-2-3 -- Twin-engine Coast Guard patrol (VP), biplane, manufactured by Hall

"Phantom" -- Radar decoy

Phar -- Pharmacist

Pharm -- Pharmacist

PHB -- Public Health Service Building

PHIB -- Amphibian; Amphibious

PhibCorPac -- Amphibious Corps Pacific Fleet

PhibCorps -- Amphibious Corps

PhibDet -- Amphibious Detachment

PhibdetInd -- Amphibious Detachment India

PhibEu -- Amphibious Forces Europe

PhibFor -- Amphibious Force

PhibGroup -- Amphibious Group

PhibLant -- Amphibious Forces Atlantic Fleet

PhibNAW -- Amphibious Forces Northwest African Waters

#PHIBOBS -- Amphibious Operations

PhibPac -- Amphibious Forces Pacific Fleet

PhibsEu -- Amphibious Forces Europe

PhibsForPac -- Amphibious Forces Pacific Fleet

PhibsLant -- Amphibious Forces Atlantic Fleet

PhibsPac -- Amphibious Forces Pacific Fleet

PhibsUKay -- Amphibious Bases United Kingdom

PhibTra -- Training Command Amphibious Forces

PhibTraBase -- Amphibious Training Base

PhibTrainLant -- Training Command Amphibious Forces, Atlantic Fleet

PhibTraLant -- Training Command Amphibious Forces, U.S. Atlantic Fleet

#PHIBTRANS -- Amphibious Transport

PhibTraPac -- Training Command Amphibious Forces, U.S. Pacific Fleet

PhibsTraPac -- Training Command Amphibious Forces, U.S. Pacific Fleet

PhibTrainPac -- Training Command Amphibious Forces, U.S. Pacific Fleet

PhibTrBase -- Amphibious Training Base

PhibWarTraCen -- Amphibious Warfare Training Center

Phil -- Navy Yard, Philadelphia

*PHIL -- Philippine

Phila -- Philadelphia, Pennsylvania

PhilaGrp -- Philadelphia Group

PhilSeaFron -- Philippine Sea Frontier

PhM -- Pharmacist's Mate

PhMDP -- Pharmacist's Mate, Dental Prosthetic Technician

PHNY -- Pearl Harbor Navy Yard

PHO -- Photographer

PHOAC -- Photographer's Mate, Combat Aircrewman

PhoM -- Photographer's Mate

PHONE -- Telephone

Phot -- Photographer

Photo -- Photograph(ic)

PHPC -- Post Hostilities Planning Committee

PHS -- Public Health Service

PHT -- Physical Therapy Technician

PHTH -- Pearl Harbor, Territory of Hawaii

Phys -- Physical

PI -- Philippine Islands

PI -- Pigeon Trainer

PIBALS -- Pilot Balloon Reports

PICAO -- Provisional International Civil Aviation Organization

"Picket" -- Advanced or distant radar guard ship

PICME -- Political Intelligence Center Middle East (GB)

Pict -- Picture

PID -- Political Intelligence Department (GB)

PIO -- Public Information Officer

"Pip" -- Displacement of radar trace caused by echo

PIU -- Photographic Interpretation Unit (USMC)

PkHow -- Pack Howitzer (USMC)

PL -- Plain Language

PL -- Plastic Expert

PL -- Post Laundry (Army)

PL -- Public Information man

PL -- Public Law

Plat -- Platoon

PLC -- Platoon Leaders Class (USMC)

PLD -- Procurement Legal Division; later, Office of General Counsel (USCG)

PlLdr -- Platoon Leader (USMC)

PLS -- Please

PlSgt -- Platoon Sergeant

PLU -- Platoon Leaders Unit (USMC)

PLY -- Plymouth, England

PM -- Medical Division (USCG)

PM -- Patternmaker

PM -- Paymaster (USCG)

PM -- Portland, Maine

PM -- Postmaster

PM -- Post-Meridian

PM -- Prime Minister

PM -- Procurement and Material

PM -- Provost Marshal (Army)

PMG -- Paymaster General

PMG -- Provost Marshal General (Army)

PMGO -- Office of Provost Marshal General

PMKr -- Patternmaker

PMLO -- Principal Military Landing Offices (GB)

PMM -- Military morale Division (USCG)

PMSGT -- Paymaster Sergeant (USMC)

PMSR -- Patternmaker, Ship Repair

PMSRP -- Patternmaker, Ship Repair, Patternmaker

PMS&T -- Professor of Military Science and Tactics (Army)

PMT -- Medical Photography Technician

PNNCF -- Pacific Northern Naval Coastal Frontier

PNR -- Preliminary Negotiation Reports

PNS&T -- Professor of Naval Science and Tactics

PO -- Officer Personnel Division(USCG)

PO -- Petty Officer

PO -- Port Officer

PO -- Portsmouth, England

PO -- Post Office

POA -- Pacific Ocean Areas

POAHedPearl -- Pacific Ocean Areas Headquarters Pearl Harbor

POATSC -- Pacific Overseas Air Technical Service Command

POD -- Podiatrist

POE -- Port of Embarkation

POL -- Petrol Oil and Lubricants (GB)

POM -- Preparation for Overseas Movements (Army)

POOD -- Permanent Officer of the Deck (Day)

#PORICH -- To the port in which activity designated may be

Posit -- Position

Pot -- Potential

POT -- Potomac

PotAnn -- Potomac Annex (Navy Department)

PoTelCo -- Postal Telegraph Company

*POW -- Powder

POW -- Prisoner of War

PP -- Public Property

PPC -- Partial Pay Card

PPC -- Patrol Pane Commander

PPF -- Parti Populaire Francais

PPI -- Plan Position indicator (radar scope)

PP&NA -- Private Plants and Naval Activities

PPPC -- Petroleum Pool Pacific Coast

PPPI -- Precision Plan Position Indicator

PPPI -- Projection Plan Position Indicator

PPS -- Polish Socialist Party

PPSMEC -- Procurement, Precedence of Supplies, Material and Equipment Committee (JCB)

P&PW -- Publicity and Psychological Warfare

PQM -- Post Quartermaster (USMC)

PR -- Parachute Rigger

PR -- Patrol Vessel, River Gunboat

PR -- Pay Roll

PR -- Photographic Reconnaissance Aircraft

PR -- Priority Regulation

PR -- Public Relations

PR -- Puerto Rico

PRA -- Pay Readjustment Act (1942)

PRA -- Reserve and Auxiliary Division (USCG)

Prac -- Practice

PRC -- Production Readjustments Committee (WPB)

PR/COM -- Vessels delivered in a partially completed status

Prd -- Period

PRD -- Public Relations Division

#PRECOMMDET -- Pre-Commissioning Detail

#PRECOMMSCOL -- Pre-Commissioning School

*PRER -- Preparatory

PREP -- Unique method of pulse communications developed by Federal Telegraph and Radio Laboratories

Pres -- President

PreSign -- Procedure Sign

PresProc -- Presidential Proclamation

Prev -- Previous

PRF -- Pulse Repetition Frequency

*PRI -- Prison

Prim -- Primary

PrimTra -- Air Primary Training

PrinMus -- Principle Musician (USMC)

PRISIC -- Photographic Reconnaissance Interpretation Section (Squadron) Intelligence Center (JICPOA)

"Privateer" -- See PB4Y-2-2C

PRLTRL&M -- Printer, Lithographer and Multilith Operator

PRNC -- Potomac River Naval Command, Washington, D.C.

PRO -- Personnel Relations Officer (for Shore Stations)

*PRO -- Promote(d); Promotion

PRO -- Public Relations officer

Prob -- Probation(ary)

Proc -- Procurement

#PROFAGTRANS -- Proceed by first available Government transportation (not including air)

PROIMREP -- Proceed immediately to (location of ship, commander, or station designated b group(s) immediately following) and upon arrival report for duty or purposes indicated

Proj -- Projected

*PROJ -- Projectile

Prom -- Promoted

Prop -- Propeller

*PROP -- Property

Propul -- Propulsion

#PROREP -- Proceed to (location of ship, commander, or station designated by group(s) immediately following) and upon arrival report for duty or purpose indicated

ProSig -- Procedure Signal

*PROV -- Proving Grounds

Prov -- Provisional

ProvGr -- Proving Ground

#PROWDELREP -- Proceed without delay to (location of ship, commander, or station designated by group(s) immediately following) and upon arrival report for duty or purpose indicated

PRP -- Production Requirements Plan

PRP -- Public Relations Personnel

PRR -- Pulse Repetition Rate

PRSec -- Pay Roll Section

PRTR -- Printer

PRTRL -- Printer, Lithographer

PRTRM -- Printer, Offset Process

PRU -- Photographic Reconnaissance Unit (Aircraft) (USMC)

PS -- Chlorpicrin

PS -- Motion Picture Service Bookers

PS -- Philippines Scouts (Army)

PS -- Pistol Sharpshooter (Army)

PS -- Puget Sound

PS -- Navy Yard Puget Sound

PSandT -- Pay, Subsistence and Transportation

PSCLA -- Petroleum Supply Committee for Latin America

PSF -- Panama Sea Frontier

PSF -- Parti Social Francais

PSF -- Philippine Sea Frontier

P&SI -- Pay and Supply Instructions (USCG)

PSL -- Photographic Science Laboratory

PS&M -- Division of Personnel Supervision and Management of AstSecNav's Office; absorbed into SECP, 1944

PSNCF -- Pacific Southern Naval Coastal Frontier

P&SNP -- Pay and Subsistence of Naval personnel (appropriation title)

PSNSY -- Puget Sound Naval Shipyard

PSNYd -- Puget Sound Navy Yard

PSO -- Political Survey Officers

PSO -- Publicity Security Officer

PSP -- Patrol Seaplane

PS&T -- Pay, Subsistence and Transportation

PS&TN -- Pay, Subsistence and Transportation, Navy

PSTO -- Principal Sea Transport Offices

PT -- Patrol Vessel, Motor Torpedo Boat

PT -- Portsmouth Navy Yard

PT -- Postal Telegraph Company

PT -- Primary Target (Army)

PTC -- Patrol Vessel, Motor Torpedo Boat, Submarine Chaser

PTCAD -- Provisional Troop Carrier Airborne Division

PTO -- Port Transportation Officer (Army)

PRP -- Training and Procurement Division (USCG)

PTR -- Painter

PTR -- Patuxent River

PtrV -- Painter, Aircraft

PTSNH -- Portsmouth, New Hampshire

PubInfo -- Office of Public Information; formerly, Office of Public Relations

Publ -- Publications

Pub Wks -- Public Works

PUC -- Port Utilization Committee

PUC -- Production Urgency Committee (WPB)

PUG -- Puget Sound

*PUR -- Purchase(ing)

Pur -- Pursuant

*PUR -- Pursuit

Purif -- Purification

PURS -- Pursuit

PV -- Public voucher

PV-1 -- "Ventura"; twin-engine Navy patrol-bomber(VPB(HL)), landplane, manufactured by Vega

PV-2 -- "Harpoon"; twin-engine Navy Patrol-bomber (VPB(ML)), landplane, manufactured by Lockheed

PV-3 -- "Ventura"; twin-engine Navy patrol-bomber (VPB(ML)), manufactured by Lockheed

P2V-2 -- "Neptune"; twin-engine Navy patrol-bomber (VPB(HL)), landplane, manufactured by Lockheed

Pvt -- Private

P&W -- Pratt and Whitney (airplane engine)

PW -- Prisoner of War

PW -- Public Works

PWA -- Public Works Administration

PWB -- Psychological Warfare Branch (AFHQ)

PWB -- Pulling Whaleboat

PWC -- Pacific War Council

PWD -- Psychological Warfare Division

PWD -- Public Works Department

#PWDEPT -- Public Works Department

P2Y-2-3 -- Twin-engine Navy patrol, sesquiplane (VF), manufactured by Consolidated

P4Y-1 -- Twin-engine Navy patrol plane (VP), monoplane, manufactured by Consolidated

PWE -- Political Warfare Executive (GB)

PWE -- Political Warfare Executive Middle East (GB)

PWO -- Public Works Office(r)

#PWOF -- Public Works Officer

PK -- Press

PX -- Post Exchange (USMC) (Army)

PXO -- Prospective Executive Officer

PY -- Patrol Vessel, Yacht

PYc -- Patrol Vessel, Yacht, Coastal

--- Q ---

Q -- Bristol Aeronautical Corporation (glider) (manufacturer's symbol)

Q -- Electronic countermeasures missions (suffix to plane designation)

Q -- Fairchild Aircraft Division (Fairchild Corporation)

Q -- Ranger-Lark Division (Fairchild Corporation) (manufacturer's symbol)

Q -- Stinson Aircraft Corporation (now Consolidated-Vultee (manufacturer's symbol)

Q Card -- Qualifications Card

QCJ -- Underwater sound gear

QCL -- Underwater sound gear

Q-Day -- Day for dress rehearsal of atom bomb test (23 June 1946)

QLA -- Frequency Modulated (sonar)

QM -- British Long Range Radio Aid to Navigation (Decca)

QM -- Plotting & Chart Work (Operations)

QM -- Quartermaster

QM -- Research Laboratory

QMAO -- Qualified for mobilization ashore only

QMC -- Quartermaster Clerk (USMC)

QMC -- Quartermaster Corps (Army)

QMMClk -- Quartermaster Clerk (USMC)

QMG -- Quartermaster General

QMSgt -- Quartermaster Sergeant (USMC)

QMSO -- Quartermaster Supply Officer (Army)

QPE -- Physical Education Specialist, Medical

QRPAO -- Qualified Radium Plaque Adaptometer Operator

Qtr(s) -- Quarter(s)

QTRS -- Quarters allowance

Quad -- Quadruple (gun mounts)

Qual -- Qualified for all types of duty

Quart -- Quartermaster (USCG)

Queen -- "Q" in the phonetic alphabet

QUES -- Question mark

--- R ---

R -- Aeronca Aircraft Corporation (manufacturer's symbol)

R -- American Aviation Corporation (Glider)

R -- Brunswick-Balke-Callender (aircraft company) (manufacturer's symbol)

R -- Damage Control, Construction and Repair Division of a carrier

R -- Interstate Aircraft and Engineering Corporation (manufacturer's symbol)

R -- Maxson-Brewster (W.L. Maxson Corporation) (aircraft) (manufacturer's symbol)

R -- Radial (aircraft engine)

R -- Radio Phone Company

(R) -- Reduced Operation

R -- Resister; Resistance

R -- Ryan Aeronautical Company (manufacturer's symbol)

R -- Converted to a transport (suffix to plane designation); as, PBM-3R

R -- A suffix which, when appended to a basic USNR officer classification, indicates special qualifications in Electronics

R30-2 -- Twin-engine Navy Transport (VR(ML)), manufactured by Lockheed

R50-# -- "Lodestar"; two-engine Navy transport (VR(ML)), manufactured by Lockheed

RA -- Regular Army

RA -- Rental Agreement

RAACEF -- Rear Admiral Aircraft Carriers, Eastern Fleet (GB)

RA(A)EF -- Rear Admiral (Administration) Eastern Fleet (GB)

RAAF -- Royal Australian Air Force

RAB -- Radio Receiver (HF)

RAC -- Rear Admiral Commanding (GB)

RAC -- Rubber Allocation Committee

RACOB(WA) -- Rear Admiral Commanding Combined Operational Bases (Western Approaches) (GB)

RACON -- Radar Beacon

RAD(NO.) -- Radar Bulletin; as, RADSIX (Radio Bulletin, No. 6)

*RAD -- Radio

RAD -- Released from Active Duty

RAD -- Reported for Active Duty

RAD -- Reservists on Active Duty under "Appropriation Chargeable Naval Reserve" (Does not include Reservists on annual training duty)

Radar -- Radio detection and ranging

RAD (BPF) -- Rear Admiral Commanding Destroyers (British Pacific Fleet)

RadCM -- Radar Countermeasures and Deception

Radex -- Radar countermeasures training

RADM -- Rear Admiral

RadOp -- Radio Operator

RadPlanBd -- Radio Planning Board

RAF -- Royal Air Force (GB)

RAFT -- Rear Admiral Fleet Train (British Pacific Fleet)

Rainbow -- War plans for use in war against a coalition of enemies

RAK -- Radio Receiver (HF)

RAL -- Radio Receiver (HF)

RAL -- Rear Admiral Alexandria (GB)

RAN -- Royal Australian Navy

RAN(V)R -- Royal Australian Naval (Volunteer) Reserve

RAO -- Radio Receiver (HF)

RAO -- Received for record purposes only. Individual not received physically.

RAOB -- Radio Meteorograph Sounding

RARC -- Revoked appointment and returned to civilian status

RAS -- Radio Receiver (MF to HF)

RASC -- Royal Army Service Corps (GB)

Rasta -- Radio Station (USCG)

Rat(s) -- Ration(s)

RATT -- Radio Teletypewriter

RAWA -- Rear Admiral West Africa (GB)

RAWIND -- Radio Wind (USCG)

R/B -- Radio Beacon

RB-# -- "Conestoga"; twin-engine Navy Transport (VR(ML)), manufactured by Budd

RBB -- Radio Receiver (MF)

RBC -- Radio Receiver (HF)

RBH -- Radio Receiver (HF)

RBH -- Regimental Beachhead (Army)

RBK -- Radio Receiver (VHF)

RBO -- Radio Receiver (HF)

R5C-# -- "Commando"; twin-engine Navy transport (VR(ML)), manufactured by Curtiss

RC -- Reception Center (Army)

R/C -- Request for checkage

RCA -- Radio Corporation of America

RCAF -- Royal Canadian Air Force

RCL -- Ramped Cargo Lighter

RCM -- Aviation Radio and Radar Countermeasures Technician

RCM -- Radio and Radar Countermeasures

RCN -- Reconnaissance

RCN -- Royal Canadian Navy

RcnLR -- Reconnaissance Long Range (Army)

RCN(V)R -- Royal Canadian Naval (Volunteer) Reserve

RCO -- Radar Control Officer

RCO -- Radio Receiver (VHF)

RCO -- Remote Control Office

RCo -- Rifle Company (Army)

RCRC -- Revoked commission, returned to civilian status

RCS -- Radar Control Ship

RCT -- Regimental Combat Team

Rctg -- Recruiting

RCU -- Requisition Control Unit

R3D-# -- Twin-engine Navy transport (VR(ML)), landplane, manufactured by Douglas (El Segundo)

R4D-1-5-6-7 -- "Skytrain"; twin-engine Navy transport (VR(ML)), landplane, manufactured by Douglas

R4D-2-3-4 -- "Skytrooper"; twin-engine Navy transport (VR(ML)), manufactured by Douglas

R5D-4 -- "Skymaster"; four-engine Navy transport (VR(HL)), manufactured by Douglas

RDB -- Ramped Dump Barge

RDEM -- Released from active duty result demobilization

RDep -- Recruit Depot

RDF -- Radio Direction Finder

RDFSta -- Radio Direction Finder Station

RDM -- Radarman

RDM -- Ramped Dumped Barge

RDO -- Radio; Wireless

RD OPR -- Radar Operator

Rdr -- Raider (USMC)

Rds -- Rounds of ammunition

RDU -- Receipt and Despatch Unit (Aircraft)

RE -- Radio Electrician

Rear Adm -- Rear Admiral

*REC -- Receive(ing)

RecBaks -- Receiving Barracks

Recce -- Reconnaissance

RECD -- Received

Recg -- Receiving

Recipro -- Reciprocating

Recl -- Reclamation

*RECOG -- Recognition

Recom -- Recommend(ed); Recommendation

*RECON -- Reconnaissance

ReconCo -- Reconnaissance Company (USMC)

RecruitSta -- Recruiting Station

RecShip -- Receiving Ship

RecSta -- Receiving Station

RedAS -- Reduced to Apprentice Seaman

Reefer -- Refrigeration; Cold Storage locker

REEN ALLOW -- Reenlistment Allowance

Reenl -- Reenlist(ed); Reenlistment

*REF -- Refer(ence)

Regrig -- Refrigeration

REFURDIS -- Reference your dispatch

REFURLTR -- Reference your letter

Reg -- Registered

REGS -- Regulations

Regt -- Regiment

Rehab -- Rehabilitation

Rein -- Reinforced

Reinf -- Reinforced

*REL -- Relief

Rel -- Relieve(d)

#RELBY-- -- When relieved by--

#RELDET -- When relieved detached from duty indicated and from such other duty as may have been assigned

#RELDIRDET -- When relieved and when directed by the commanding officer or commander designated detached from duty indicated and from such other duty as may have been assigned

RELE -- Radio Electrician

RELES -- Released to War Shipping Administration

Rem -- Remit(ed)

Rem-Rand -- Remington-Rand

Ren MR -- Reconnaissance medium Range (Army)

RENT -- Allotment for payment of rent when specifically authorized by the Secretary of the Navy

*REP -- repair

Rep -- Repairman

REPAR -- repairing

RepComDesPac -- Representative of Commander Destroyers, Pacific Fleet

RepForMaint -- Representative of maintenance Force

#REPISC -- Report to immediate superior in command if present, otherwise by dispatch, for duty indicated

REPL -- Replacement

Repln -- Replacement

#REPLTR -- Report(ing) by letter to--

RepO -- Reporting Officer

*REPT -- Report(ing)

#REPTRANS -- Report for transportation to the port in which ship or commander designated may be, or to location designated. Upon arrival report for duty or purpose indicated.

Req -- Request; Requisition

REQN -- Requisition

#REQNOM -- Request nomination

REQREC -- Request recommendation

Requal -- Requalify; Requalified

RER -- Rubberized Equipment Repair

*RES -- Reserve

*RESC -- Rescue

ResDist -- Reserve District

Resgd -- Resigned

RES/IC -- Reserve-In Commission (vessel status)

RES/IS -- Reserve-In Service (vessel status)

ResLab -- Research Laboratory

RES/OC -- Reserve-Out of Commission (vessel status)

RES/OS -- Reserve-Out of Service (vessel status)

Rest -- Restricted

Restd -- Restricted

Rest ltr -- Restricted letter

RESTR -- Restricted

Ret -- Retain(ed)

RET -- Retired

RETAN -- Retained

Retd -- Retired

RETRO FA -- Retroactive Family Allowance checkage

Ret ser -- Retained in the service

Reurad -- Refer to (Regarding) your message

#REVAR -- Authorized to revisit any of the above mentioned placed and to vary the above itinerary as may be deemed necessary

RF -- Radio Frequency

RFA -- Royal Fleet Auxiliary (GB)

RFAD -- Released from active duty not result of demobilization

RFC -- Reconstruction Finance Corporation

RFD -- Rural Free Delivery

RFP -- Radio Finger Printing

RFS -- Ready for sea

RgPh -- Registered Pharmacist

RHO -- Railhead Officer

RHQ -- Regimental Headquarters

RI -- Recruit Instruction

RI -- Rhode Island

Rig -- Rigger

RIIA -- Royal Institute of International Affairs (GB)

RIN -- Royal Indian Navy (GB)

RINA -- Resident Inspector of Naval Aircraft

Ring -- Airborne television system

RINM -- Resident Inspector of Naval Material

RInsMat -- Resident Inspector of Naval Material

RInsOrd -- Resident Naval Inspector of Ordnance

RKO -- Range Keeper Operator

RL -- Rocket Launcher

RLO -- Repairs Liaison Officer (Landing Craft and Barges)

RM -- Radioman

RM Armd Sp Gp -- Royal Marine Armored Support Group (GB)

RME -- Royal Marine Engineers (GB)

RML -- Rescue Motor Launch (Air/Sea Rescue)

RMN -- Reserve Material (Account) Navy

RMO -- Radio (Radar) Material Officer

RN -- Royal Navy (GB)

RNAMY -- Royal Naval Aircraft Maintenance Yard (GB)

RNATE -- Royal Naval Air Training Establishment (GB)

RNBC -- Royal Naval Beach Commando (GB)

RNGHQ -- Royal Navy General Headquarters (Cairo) (GB)

RNIO -- Resident Naval Inspector of Ordnance

RNLO -- Royal Naval Liaison Officer

RNN -- Royal Netherlands Navy

RN(V)R -- Royal Naval (Volunteer) Reserve (GB)

RNZAF -- Royal New Zealand Air Force

RNZN -- Royal New Zealand Navy

RNZN(V)R -- Royal New Zealand Naval (Volunteer) Reserve

RO -- Recruiting Officer

RO -- Regimental Orders (Army)

RO -- Routing Office(r)

ROB -- Reserve on Board

"Roc" -- Television system for guiding bombs

ROCCM -- Guided Missile Countermeasures

"Roger" -- "I understand"

"Roger" -- "R" in the phonetic alphabet

ROinC -- Resident Officer-in-Charge

*RON -- Squadron

RONLY -- Receiver only

RONS -- Reserve Officers of the Naval Service

RORET -- Authorized Rotational Retention

ROTATE -- Return to

ROTC -- Reserve Officers Training Corps (usually NROTC)

ROVNITE -- Remaining overnight

RP -- Raid Plotter

RP -- Rocket Projectile

RPA -- Radium Plaque Adaptometer

RPAO -- Radium Plaque Adaptometer Operator

RPC -- Registered Publication Clerk

RPD -- Radar Planning Device

RPH -- Registered Pharmacist

RPIO -- Registered Publications Issuing Office

RPM -- Registered Publication Manual

RPM -- Registered Publication Memorandum

RPM -- Revolutions Per Minute

RPPI -- Remote Plan Position Indicator

RPS -- Registered Publications Section

RPS-DL -- Registers Publications Section--District Library

R&PSec -- Radio and Panel Section

RPSM -- Registered Publication Shipment Memorandum

RPS-PL -- Registered Publications Section--Personnel Library

R&PT -- Rifle and Pistol Team

RPU -- Radio Phone Unit

RPU -- Registered Publication Unit

RR -- Railroad

RR -- Recruit Roll

RR -- Rifle Range

RRC -- Requirements Review Committee (AstSecNav)

RRC -- Rubber Reserve Committee

RS -- Passenger Transportation Specialist

RS -- Radio Duties--Special

RS -- Receiving Ship or Station

RS -- Recruiting Station

R/S -- Report of Survey (Army)

RS -- Revised Statutes

RSC -- Reserve Service Control

RSO -- Regimental Supply Officer (Army)

R&SSq -- Repair and Salvage Squadron

RT -- Radio Technician

RT or R/T -- Radio Telephony

RTC -- Replacement Training Center (Army)

RTL -- Regimental Training Line (Army)

RTO -- Railroad Transportation officer (Army)

RTTY -- Radio Teletype

RUDAOE -- Report of Unsatisfactory or Defective Aviation Ordnance Equipment

RUDM -- Report of Unsatisfactory or Defective Material (aircraft)

RUG -- Electronic Jammer (radar)

RUSNO(Location) -- Resident United States Naval Officer (Location)

RVA -- Retailer's Uniform Agency

RW -- Recreation and Welfare

RW -- Recruiting Warrant

RY-# -- "Liberator"; four-engine Navy transport (VR(HL)), manufactured by Consolidated-Vultee

--- S ---

S -- First letter in the Navy aircraft designation, indication a scouting plane

S -- Anti-Submarine Patrol (suffix to plane designation); as, PBM-3S

S -- Boeing Aircraft Co. (formerly Stearman) (manufacturer's symbol)

S -- School(s)

S -- Schweizer Aircraft Co. (manufacturer's symbol)

S -- Seaman; as S1 (Seaman 1st class)

S -- Seaplane

S -- Secret dispatch

S (No.) -- Senate Bill (Number)

S -- Sesquiplane

S -- Sikorsky Aircraft (United Aircraft Corporation) (manufacturer's symbol)

S -- South

S3 -- Squadron Operations Officer (USMC)

S -- Stearman Aircraft Co. (now Boeing) (manufacturer's symbol)

S (number) -- Commanding Officer (number) Submarine Flotilla

S -- Supply Department aboard a carrier

S -- USNR officer designation of Special Service, Unlimited. Formerly (S).

S -- Vought-Sikorsky (United Aircraft Corporation) (manufacturer's symbol)

SA -- Air Search Radar (shipborne)

SA -- Arsine

S&A -- Bureau of Supplies and Accounts

SA -- Limited duty

SA -- Semiautomatic

SA -- South America

SA -- Special Artificer

SA -- Special Assignment

SA -- USNR officer designation for Special Service, Aviation Non-flying. Formerly S(A).

SA1 -- USNR officer designation for Special Service, Heavier-than-Air Pilot. Formerly S(A2) and A-VN.

SA2 -- USNR officer designation for Special Service, Lighter-than-Air Pilot. Formerly S(A2) and A-VN.

SA3 -- USNR officer designation for Special Service, Heavier-than-Air Pilot. Formerly S(A3) and A-VG.

SA4 -- USNR officer designation for Special Service, Lighter-than-Air Pilot. Formerly S(A4) and A-VG.

SA5 -- USNR officer designation for Special Service, Heavier-than-Air Pilot. Formerly S(A5).

SA6 -- USNR officer designation for Special Service, Lighter-than-Air Pilot. Formerly S(A6) and A-VT.

SAA -- Small Arms Ammunition

SAC -- Supreme Allied Command

SAC -- Supreme Allied Commander

SACMED -- Supreme Allied Command(er), Mediterranean

SACO -- Sino-American Cooperative Organization

SACSEA -- Supreme Allied Command(er), Southeast Asia

SAD -- Special Artificer, Special Synthetic Training Devices

SAD -- Support Air Direction

SADMG -- Special Artificer, Special Devices, Machine Gun Trainer

SAF -- Southern Attack Force

SAF -- Strategic Air Force

SAFPlan -- Submarine Area Frequency Plan

SAI -- Special Artificer, Instruments

SAIC -- Small Arms Interpost Competition

Sail -- "S" in the phonetic alphabet; now obsolete and replaced by "Sugar"

SAITR -- Special Artificer, Instruments, Typewriter and Office Equipment Repairman

SAIWR -- Special Artificer, Instruments, Watch Repairman

*SAL -- Salvage

SAL DIVES -- Salvage Dives

SALED -- Sailed

SAN -- USNR officer designation. See SA and N. Formerly S(A)-N.

SA1N -- USNR officer designation. See SA1 and N. Formerly S(A1)-N.

SA2N -- USNR officer designation. See SA2 and N. Formerly S(A2)-N.

SA3N -- USNR officer designation. See SA3 and N. Formerly S(A3)-N.

SA4N -- USNR officer designation. See SA4 and N. Formerly S(A4)-N.

SA5N -- USNR officer designation. See SA5 and N. Formerly S(A5)-N.

SA6N -- USNR officer designation. See SA6 and N. Formerly S(A6)-N.

SandA -- Bureau of Supplies and Accounts

SandFSD -- Sea and Foreign Service Duty

SandFran -- San Francisco, California

SAO -- Special Artificer, Optical

SAO -- Support Air Observation

SAP -- Scouting Amphibian Plan (USCG)

SAP -- Semi-Armor Piercing

SAP -- Spot Authorization Plan (WPB)

SAPC -- Small Arms Post Competition

SAR -- Semi-Automatic Rifle (Army)

SAR -- USNR officer designation. See SA and R. Formerly S(A)-R.

SA1R -- USNR officer designation. See SA1 and R. Formerly S(A1)-R.

SA2R -- USNR officer designation. See SA2 and R. Formerly S(A2)-R.

SA3R -- USNR officer designation. See SA3 and R. Formerly S(A3)-R.

SA4R -- USNR officer designation. See SA4 and R. Formerly S(A4)-R.

SA5R -- USNR officer designation. See SA5 and R. Formerly S(A5)-R.

SA6R -- USNR officer designation. See SA6 and R. Formerly S(A6)-R.

SAR Net -- Support Air Request Net (Communications)

SASAT -- Shipboard Anti-Submarine Attack Teacher

Sat -- Saturated

SAT -- USNR officer designation. See SA and T. Formerly S(A)-T.

SA1T -- USNR officer designation. See SA1 and T. Formerly S(A1)-T.

SA2T -- USNR officer designation. See SA2 and T. Formerly S(A2)-T.

SA3T -- USNR officer designation. See SA3 and T. Formerly S(A3)-T.

SA4T -- USNR officer designation. See SA4 and T. Formerly S(A4)-T.

SA5T -- USNR officer designation. See SA5 and T. Formerly S(A5)-T.

SA6T -- USNR officer designation. See SA6 and T. Formerly S(A6)-T.

SATFor -- Special Air Task Force

SATP -- Small arms Target Practice

SAV -- Allotment for Savings

SAVBOND -- Allotment for purchase of War Savings Bonds

SAX -- USNR officer designation. See SA and X. Formerly S(A)-X.

SA1X -- USNR officer designation. See SA1 and X. Formerly S(A1)-X.

SA2X -- USNR officer designation. See SA2 and X. Formerly S(A2)-X.

SA3X -- USNR officer designation. See SA3 and X. Formerly S(A3)-X.

SA4X -- USNR officer designation. See SA4 and X. Formerly S(A4)-X.

SA5X -- USNR officer designation. See SA5 and X. Formerly S(A5)-X.

SA6X -- USNR officer designation. See SA6 and X. Formerly S(A6)-X.

SB -- First two letters in the Navy aircraft designation, indicating a scouting-bombing plane

SB -- Secondary Battery

#SB -- Shipbuilding

SB -- Submarine Base

Sb -- Switchboard

SB -- Switchboard Operator

SB2A-# -- "Bermuda"; single-engine Navy scout-bomber (VSB), manufactured by Brewster

SBAE -- Stabilized Bombing Approach Equipment

SBC-# -- Single-engine Navy scout-bomber (VSB), biplane, manufactured by Curtiss

SB2C-# -- "Helldiver"; single-engine Navy scout-bombers (VSB), manufactured by Curtiss

SBCo -- Shipbuilding Company

SBCorp -- Shipbuilding Corporation

SBD-# -- "Dauntless"; single-engine Navy scout-bomber (VSB), manufactured by Douglas

#SBDC -- Shipbuilding and Drydock Company

#SB&DDCo -- Shipbuilding & Drydock Co. (Federal, Newport News, Sun)

SBF-# -- "Helldiver"; single-engine Navy scout-bomber (VSB), manufactured by Fairchild (Canada)

SBN-# -- Single-engine Navy scout-bomber (VSB), manufactured by Naval Aircraft Factory

SBNO -- Senior British Naval Officer (U.S. controlled port)

SBNOWA -- Senior British Naval Officer, Western Atlantic

SBP -- Summary Plot Board

SBS -- Strategic Balkan Services

SBU-# -- Single-engine Navy scout-bomber (VSB), biplane, manufactured by Chance-Vought

SB2U-# -- "Vindicator"; single-engine Navy scout-bomber (VSB), manufactured by Vought-Sikorsky

SBW-# -- "Helldiver"; single-engine Navy scout-bomber (VSB), manufactured by Canadian Car and Foundry

SC -- Halifax Slow to United Kingdom (routing designation)

SC -- Radar type designation for shipborne equipment used in air search

SC-# -- "Seahawk"; single-engine Navy observation-scout (VOS), manufactured by Curtiss

S-C -- Secret and Confidential Files

SC -- Ship's Cook

SC -- Signal Corps (Army)

S/C -- Statement of Charges (Army)

SC -- Strato-cumulus

SC -- Submarine Chaser (110')

SC -- Summary Court

SC -- Supply Corps

SC -- USN officer designation for Supply Corps

SC1 -- USNR officer designation for Special Service, Special Communications Duties. Formerly S(C1) and C-VL.

SC2 -- USNR officer designation for Special Service, Special Communications Duties. Formerly S(C2) and C-VX.

SCAEF -- Supreme Commander, Allied Expeditionary Force

SCAJAP -- Shipping Control Administrator Japan

SCAO -- Senior Civil Affairs Officer

SCAP -- Supreme Commander Allied Powers (Japan)

SCAR -- South Carolina

SCAT -- Service Command Air Transportation

SCAT -- South Pacific Combat Air Transport (USMC)

SCB -- Ship's Cook, Butcher

SC(C) -- Submarine Chaser (110') (Control)

SCD -- Supply, Commissary and Disbursing

SCE -- Superintending Civil Engineer (GB)

SCF -- Support Carrier Force

Sch -- School

SCI -- Ship Controlled Intercept (radar)

SCI -- Supervisory Cost Inspector

SClk -- Ship's Clerk

SCM -- Sender's Composition Message

SCM -- Summary Court Martial

SCM -- USNR officer designation for General Service, Supply Corps, Merchant Marine. Formerly SC-M.

SCMR -- USNR officer designation for General Service, Supply Corps, Merchant Marine. Formerly SCM.

SC1N -- USNR officer designation. See SC1 and N. Formerly S(C1)-N.

SC2N -- USNR officer designation. See SC2 and N. Formerly S(C2)-N.

*SCO -- Scouting

SCOFA -- Shipping Control Office, Forward Area

ScoFor -- Scouting Force

*SCOL -- School

SCOM -- USNR officer designation for Special Service, Communications Duties. Formerly S(C).

SCOMA -- Shipping Control Office, Marianas

SCON -- USNR officer designation. See SCOM and N. Formerly S(C)-N.

SCOR -- USNR officer designation. See SCOM and R. Formerly S(C)-R.

ScoRon -- Scouting Squadron

SCOROR -- Secretary's Committee on Research on Reorganization (Navy)

SCOT -- USNR officer designation. See SCOM and T. Formerly S(C)-T.

Scotch -- Firetube boiler

#SCOTRACEN -- Scouting Training Center

SCOX -- USNR officer designation. See SCOM and X. Formerly S(C)-X.

SCR(number) -- Signal Corps Radio (number) (Army)

SCR -- Summary Control Report (Planning and Production)

SCR -- USNR officer designation for General Service, Supply Corps. Formerly SC.

SC1R -- USNR officer designation. See SC1 and R. Formerly S(C1)-R.

SC2R -- USNR officer designation. See SC2 and R. Formerly S(C2)-R.

SCS -- USNR officer designation for Special Service, Supply Corps. Formerly SC(S).

SC1T -- USNR officer designation. See SC1 and T. Formerly S(C1)-T.

SC2T -- USNR officer designation. See SC2 and T. Formerly S(C2)-T.

SCTC -- Submarine Chaser Training Center

SCTD -- Scattered

SCTraCen -- Submarine Chaser Training Center

SC-V(G) -- USNR officer designation for supply officers, commissioned and warrant, including pay clerks, qualified for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by SC or SC(S).

SC-V(P) -- USNR officer designation for supply officers (General Service), commissioned in probationary status, and, after qualification and transfer to SC-V(G), available for general detail afloat or ashore. This classification was abolished in September 1944 and replaced by SC(S).

SC-V(S) -- USNR officer designation for supply officers, commissioned and warrant, qualified for specialist duties. This classification was abolished in September 1944 and replaced by SC or SC(S).

SCW -- USNR officer designation for Women's Reserve, Supply Corps. Formerly SC(W).

SC1X -- USNR officer designation. See SC1 and X. Formerly S(C1)-X.

SC2X -- USNR officer designation. See SC2 and X. Formerly S(C2)-X.

SD -- Aircraft detection radar for submarines

S&D -- Single and Double Reduction Gears

SD -- Special Duty

SD -- Spectacle Dispenser

SD -- Supply Department

SDA -- San Diego, California

SDAK -- South Dakota

SDC -- Southern Defense Command (Army)

SDEM -- USNR officer designation for Special Service, Deck and Engineering Duties, Merchant Marine. Formerly S(DEM).

SDEN -- USNR officer designation. See SDEM and N. Formerly S(DEM)-N.

SDER -- USNR officer designation. See SDEM and R. Formerly S(DEM)-R.

SDET -- USNR officer designation. See SDEM and T. Formerly S(DEM)-T.

SDEX -- USNR officer designation. See SDEM and X. Formerly S(DEM)-X.

SDGA -- Single Degaussing Cable

SDHIRS -- Sub-District Headquarters Induction and Recruiting Station

SDM -- USNR officer designation for Special Service, Deck Duties, Merchant Marine. Formerly S(DM).

SDMN -- USNR officer designation. See SDM and N. Formerly S(DM)-N.

SDMR -- USNR officer designation. See SDM and R. Formerly S(DM)-R.

SDMT -- USNR officer designation. See SDM and T. Formerly S(DM)-T.

SDMX -- USNR officer designation. See SDM and X. Formerly S(DM)-S.

SDO -- Specialist Duty Only

SDO -- Staff Duty Officer

SDO -- Station Duty Officer

SdOpr -- Sound Operator

SE -- Single-ended, cylindrical boiler

SE -- Single Engine

SE -- Southeast

SE -- USNR officer designation for Special Service, Engineering Duties. Formerly S(E).

SE1 -- USNR officer designation for Special Service, Special Engineering Duties, equivalent to EDO Hull. Formerly S(E1)

SE2 -- USNR officer designation for Special Service, Special Engineering Duties, equivalent to EDO Machinery. Formerly S(E2)

SE3 -- USNR officer designation for Special Service, Special Engineering Duties, equivalent to EDO Electrical. Formerly S(E3)

SE4 -- USNR officer designation for Special Service, Special Engineering Duties, equivalent to EDO Diesel. Formerly S(E4)

SEA -- Ships Editorial Association

SEA -- Southeast Asia (Theater)

"Seabee" -- Member of a Construction Battalion (CB)

SeaC -- Seacoast

SEAC -- Southeast Asia Command

"Sea Clutter" -- Echo from surface of sea (sea return) (radar)

SEAFRON -- Sea Frontier

"Seagull" -- See SOC-#, SO3C-#, SON-#

"Seahawk" -- See SC-#

SeaS -- Sea School (USMC)

SEATIC -- Southeast Asia Translation and Interrogation Center

SEATL -- Seattle, Washington

"Seawolf" -- See TBY-#

Sec -- Second

*SEC -- Secretary (to the) (of)

*SEC -- Sector

SecNav -- Secretary of the Navy

SECP -- Division of Shore Establishments and Civilian Personnel (formed by merger of SOSED and PS&M in 1944; renamed OIR in 1945)

Secr -- Secret

*SECT -- Section

SecTaskFlt -- Second Task Fleet

SectBase -- Section Base

SecWar -- Secretary of War

SED -- Shore Establishments Division

SEFIC -- Seventh Fleet Intelligence Center

SEM -- USNR officer designation for Special Service, Engineering Duties, Merchant Marine. Formerly S(EM).

Sema -- Semaphore

SEMN -- USNR officer designation. See SEM and N. Formerly S(EM)-N.

SEMR -- USNR officer designation. See SEM and R. Formerly S(EM)-R.

SEMT -- USNR officer designation. See SEM and T. Formerly S(EM)-T.

SEMX -- USNR officer designation. See SEM and X. Formerly S(EM)-X.

Sen -- Senator

*SEN -- Senior

SEN -- USNR officer designation. See SE and N. Formerly S(E)-N.

SE1N -- USNR officer designation. See SE1 and N. Formerly S(E1)-N.

SE2N -- USNR officer designation. See SE2 and N. Formerly S(E2)-N.

SE3N -- USNR officer designation. See SE3 and N. Formerly S(E3)-N.

SEN4 -- USNR officer designation. See SE4 and N. Formerly S(E4)-N.

SENAVAV -- Senior Naval Aviator

Sent -- Sentence

Sent conf -- Sentence to be confined

"Sentinel" -- See OY-#

Sent LP -- Sentenced to lose pay

Sep -- Separate

SEPacFor -- Southeast Pacific Force

SepCen -- Separation Center

*SER -- Serial

Ser -- Serve; service; serving

SER -- USNR officer designation. See SE and R. Formerly S(E)-R.

SE1R -- USNR officer designation. See SE1 and R. Formerly S(E1)-R.

SE2R -- USNR officer designation. See SE2 and R. Formerly S(E2)-R.

SE3R -- USNR officer designation. See SE3 and R. Formerly S(E3)-R.

SE4R -- USNR officer designation. See SE4 and R. Formerly S(E4)-R.

SerForSoPacSubCom -- Service Force South Pacific Subordinate Command

Seron -- Service Squadron

SERRON -- Service Squadron

*SERV -- Service

ServComFMFPac -- Service Command, Fleet Marine Force, Pacific

ServDiv -- Service Division

ServFor -- Service Force

ServLant -- Service Force, Atlantic Fleet

ServLantSubOrdComd -- Service Force, Atlantic Fleet, Subordinate Command

SERV NO -- Service Number

Servon -- Service Squadron

ServPac -- Service Force, Pacific Fleet

Servron -- Service Squadron

ServSoWesPac -- Service Force, Southwest Pacific Fleet

SES -- Physically on board serving sentence of court martial, not ship's company

SES -- Strategic Engineering Survey

SESE -- Secure Echo-Sounding Equipment (sonar)

SET -- USNR officer designation. See SE and T. Formerly S(E)-T.

SE1T -- USNR officer designation. See SE1 and T. Formerly S(E1)-T.

SE2T -- USNR officer designation. See SE2 and T. Formerly S(E2)-T.

SE3T -- USNR officer designation. See SE3 and T. Formerly S(E3)-T.

SE4T -- USNR officer designation. See SE4 and T. Formerly S(E4)-T.

Sett -- Settlement

SETT -- Submarine Escape Training Tank

SEV -- Severn

#SEVENPERDAIR -- A per diem of seven dollars in lieu of subsistence will be allowed while in an air travel status

SEX -- USNR officer designation. See SE and X. Formerly S(E)-X.

SE1X -- USNR officer designation. See SE1 and X. Formerly S(E1)-X.

SE2X -- USNR officer designation. See SE2 and X. Formerly S(E2)-X.

SE3X -- USNR officer designation. See SE3 and X. Formerly S(E3)-X.

SE4X -- USNR officer designation. See SE4 and X. Formerly S(E4)-X.

SF -- San Francisco, California

SF -- Scouting Force

SF -- Shipfitter

S&F -- Sound and Flash

SF -- Surface Search Radar

SFCB -- Shipfitter, Construction Battalion

SFCBB -- Shipfitter, Construction Battalion, Blacksmith

SFCMB -- Shipfitter, Construction Battalion, Mechanical Draftsman

SFCBP -- Shipfitter, Construction Battalion, Pipe Fitter and Plumber

SFCBR -- Shipfitter, Construction Battalion, Rigger

SFCBS -- Shipfitter, Construction Battalion, Steelworker

SFCBW -- Shipfitter, Construction Battalion, Welder

SFCP -- Shore Fire Control Party

SFDS -- Standby Fighter Director Ship

SFIC -- San Francisco Information Center (Army Air Warning Service)

SFNSY -- San Francisco naval Shipyard

SFPOE -- San Francisco Port of Embarkation

S&FSD -- Sea and Foreign Service Duty (pay status)

S&FSD(A) -- Sea and Foreign Service Duty (on aviation pay)

S&FSD(S) -- Sea and Foreign Duty (on submarine pay)

SFSR -- Shipfitter, Ship Repair

SFSRC -- Shipfitter, Ship Repair, Chipper-Caulker

SFSRD -- Shipfitter, Ship Repair, Diver

SFSRF -- Shipfitter, Ship Repair, Steelworker-Anglesmith

SFSRL -- Shipfitter, Ship Repair, Driller-Reamer

SFSRP -- Shipfitter, Ship Repair, Pipe Fitter-Plumber

SFSRR -- Shipfitter, Ship Repair, Riveter

SFSRS -- Shipfitter, Ship Repair, Shipfitter

SFSRW -- Shipfitter, Ship Repair, Welder

SG -- Qualified in Submarines (limited)

SG -- Surface Search Radar

SG -- Surgeon General (Army)

SG -- Sydney or St. Johns, Newfoundland to Greenland (routing designation)

Sgl -- Single Reduction Gears

SGP -- Secondary Gun Pointer

Sgt -- Sergeant

SgtMaj -- Sergeant Major

SHAEF -- Supreme Headquarters, Allied Expeditionary Force

SHC -- Superheat Control (boilers)

SHF -- Super High Frequency

Ship -- Shipboard

*SHO -- Shore

#SHOROUTFUBINT -- The Secretary of the Navy has determined that this employment on shore duty beyond the seas in required by the public interests

#SHORPUNINT -- The Secretary of the Navy has determined that this employment on shore duty is required by the public interests

"Shots" -- A Gunner's Mate in charge of a small AA gun (20MM, 50cal)

SHP -- Shaft horsepower

SI -- USNR officer designation for Special Service, Intelligence Duties. Formerly S(I).

SIA -- Air Intelligence Service (Italy)

SID -- Security and Intelligence Service (Army)

*SIG -- Signal

SIGCUM -- Communications Security Publication-151- (Army)

SIGSALY -- Scrambled voice transmission (Army)

Sigtot -- Signal Corps One-Time Tape

SILO -- Security Intelligence Liaison office (Central Mediterranean Forces)

SIM -- Servizio Informazioni Militaire (Italy)

SIME -- Security Intelligence, middle East

SIN -- USNR officer designation. See SI and N. Formerly S(I)-N.

SINO -- Chines

SIO -- Ship's Information Officer

SIR -- USNR officer designation. See SI and R. Formerly S(I)-R.

SIS -- Secret Intelligence Service (GB)

SIS -- Naval Intelligence Service (Italy)

*SIT -- Situation

SIT -- USNR officer designation. See SI and T. Formerly S(I)-T.

SIW -- Self-inflicted wound

SIX -- USNR officer designation. See SI and X. Formerly S(I)-X.

SJ -- San Juan, Puerto Rico

SJ -- Surface search radar for submarines

SK -- Air search radar (shipborne)

Sk -- Sketch

S&K -- Snow and Knobstedt (ship engines)

SK -- Storekeeper

SKCB -- Storekeeper, Construction Battalion, Stevedore

SKD -- Storekeeper, Disbursing

Sked -- Schedule

Skiatron -- British term for Projection Plan Position Indicator (PPPI)

SKT -- Storekeeper, Technical

SKV -- Storekeeper, Aviation

"Skymaster" -- See R5D-4

"Skytrain" -- See R4D-1-5-6-7

"Skytrooper"-- See R4D-2-3-4

SL -- Large signal search light

S-L -- Sound locator

SL -- Submarine Qualification Lapsed

SL -- Support line

SL -- Surface search radar

SL -- USNR officer designation for Special Service, legal Specialist. Formerly S(L).

SLCU -- Standard Landing Craft Unit

SLN -- USNR officer designation. See SL and N. Formerly S(L)-N.

SLOE -- Special List of Equipment

SLP -- Scouting landplane

SLR -- USNR officer designation. See SL and R. Formerly S(L)-R.

SLT -- USNR officer designation. See SL and T. Formerly S(L)-T.

SLt&SdL -- Searchlight and Sound Locator

SLX -- USNR officer designation. See SL and X. Formerly S(L)-X.

SM -- Air and surface search radar

SM -- Salvage Mechanic

SM -- Shipment Memorandum

SM -- Signalman

SM -- Soldier's medal

Sm -- Steamotive

S/M -- Submarine (GB)

SM -- Submarine, Mine Laying

S/M -- Submarine pay

SMA -- Ship's Material Account

#SMACRATRACEN -- Small Craft Training Center

SMAW -- Second Marine Aircraft Wing

SMG -- Sub-Machine Gun

SMO -- Senior Medical Officer

SMP -- Sound Motion Picture Technician

SMPO -- Sound Motion Picture Operator

S-MPR -- Semi-Monthly Progress Reports

SMR -- Special money Requisition

SMS -- Marine Service Squadron

SMSD -- Submarine Detector Ship's Magnet

SN -- First two letters in the Navy aircraft designation, indicating a scout-training plane

SN -- Portable surface search radar

SN -- USNR officer designation. See S and N. Formerly (S)-N.

SNA -- Student Naval Aviator

SNAFU -- Situation Normal, All Fouled Up

SNAP -- Senior Naval Aviator Present

SNAP -- Student Naval Aviation Pilot

SNAP(G) -- Student Naval Aviation Pilot (Glider)

SNB-1 -- "Kansan"; twin-engine Navy training plane (VSN(M)), manufactured by Beech

SNB-2-2C-2H -- "Navigator"; twin-engine Navy training plane (VSN), manufactured by Curtiss

SNC-# -- "Falcon"; Navy single-engine training plane (VN), manufactured by North American

SNJ-# -- "Texan"; Navy training plane (VN), manufactured by North American

SNL -- Standard Nomenclature List (Army)

SNM -- Senior Naval Member

SNOL -- Senior Naval Officer, Landings (GB)

SNOP -- Senior Naval Officer Present

SNOPG -- Senior Naval Officer, Persian Gulf (GB)

SNORSCA -- Senior Naval Officer, Red Sea and Canal Area (GB)

SNOT -- Senior Naval Officer, Transport (GB)

Snow -- Receiver noise seen on PPI scope (amplitude indication)

SNTFC -- Senior Naval Task Force Commander

SNV-# -- "Valiant"; Navy training plane (VN), manufactured by Vultee

SO -- First two letters in the Navy aircraft designation, indicating a scouting-observation plane

SO -- Radar type designation for shipborne equipment used in surface search

SO -- Secretary's Office

*SO -- South(ern)

SO -- Special Orders (Army)

SO -- Supply Officer

SO -- Surface search radar

SO -- USNR officer designation for Special Service, Ordnance Duties. Formerly S(O).

SO1 -- USNR officer designation for Special Service, Special Ordnance Duties in Aviation Ordnance. Formerly S(C1).

SO2 -- USNR officer designation for Special Service, Special Ordnance Duties in Aviation Ordnance. Formerly S(O2)

SO3 -- USNR officer designation for Special Service, Special Ordnance Duties in Fire Control and Guns. Formerly S(O3).

SO4 -- USNR officer designation for Special Service, Special Ordnance Duties in Ammunition and Explosives. Formerly S(O4).

SO5 -- USNR officer designation for Special Service, Special Ordnance Duties in Torpedoes. Formerly S(O5).

S06 -- USNR officer designation for Special Service, Special Ordnance Duties in Under Water Ordnance. Formerly S(O6).

SOA -- Speed of Approach

SOAG -- Senior Officer Assault Group (GB)

SOASC (I) -- Senior Officer Assault Ships and Craft (India) (GB)

SOC-# -- "Seagull"; single-engine Navy scout-observation (VSO) landplane or seaplane, biplane, manufactured by Curtiss

SO3C-# -- "Seagull"; single-engine Navy scout-observation (VS) landplane and seaplane, manufactured by Curtiss

SoCalSec -- Southern California Sector, Western Sea Frontier

SoChinaFor -- South China Force

SOCMC -- Special Order of the Commandant of the Marine Corps (USMC)

SOD -- Small Object Detector

SOE -- Secret Operations Executive (British research unit corresponding to OSS)

SOE -- Special Operation Executive (GB)

SoEastPac -- Southeast Pacific Force (later, Command)

SOEF Kandy -- Senior Officer, Eastern Fleet, Kandy (GB)

Sofar -- Sound Fixing and Ranging

SOG -- Special Operations Group

SOI -- Signal Operations Instructions (Army)

SOIC -- Supply Officer-in-Charge

SOINC -- Supply Officer-in-Charge

SOIS -- Senior Officer, Inshore Squadron (GB)

SoLant -- South Atlantic Force (later, Command)

SoLantFor -- South Atlantic Force

SOLS -- Solomon Islands

SOM -- Sonarman; Soundman

SOMD -- Secretary's Office, General Counsel

SOME -- Secretary's Office, Management Engineer

SOMH -- Sonarman, Harbor Defense

SOMP -- Sydney Ocean Meeting Point

SON-# -- "Seagull"; single-engine Navy scout-observation (VSO) seaplane, biplane, manufactured by Naval Aircraft Factory

SON -- USNR officer designation. See SO and N. Formerly S(O)-N.

SO1N -- USNR officer designation. See SO1 and N. Formerly S(O1)-N.

SO2N -- USNR officer designation. See SO2 and N. Formerly S(O2)-N.

SO3N -- USNR officer designation. See SO3 and N. Formerly S(O3)-N.

SO4N -- USNR officer designation. See SO4 and N. Formerly S(O4)-N.

SO5N -- USNR officer designation. See SO5 and N. Formerly S(O5)-N.

SO6N -- USNR officer designation. See SO6 and N. Formerly S(O6)-N.

SONA -- School of Naval Administration, Leland Stanford University

Sonar -- Sound, Navigation and Ranging

SOND -- Secretary's Office, Navy Department

SONOM -- Sonar countermeasures and deception

SONRD -- Secretary's Office, Office of Research and Development

SOP -- Senior Officer Present

SOP -- Standard Operating Procedure

SOPA -- Senior Officer Present Afloat

SOP(A) -- Senior Officer Present (Ashore)

SoPac -- South Pacific Area and Force (later, South Pacific Command)

SoPacBaCom -- South Pacific Base Command

SoPacComs -- South Pacific Communications

SoPat -- South China Patrol

SOPUS -- Senior (US) Officer Present

SOR -- USNR officer designation. See SO and R. Formerly S(O)-R.

SO1R -- USNR officer designation. See SO1 and R. Formerly S(O1)-R.

SO2R -- USNR officer designation. See SO2 and R. Formerly S(O2)-R.

SO3R -- USNR officer designation. See SO3 and R. Formerly S(O3)-R.

SO4R -- USNR officer designation. See SO4 and R. Formerly S(O4)-R.

SO5R -- USNR officer designation. See SO5 and R. Formerly S(O5)-R.

SO6R -- USNR officer designation. See SO6 and R. Formerly S(O6)-R.

SORA -- Secretary's Office, Records Administration

SORG -- Submarine Operations Research Group

SORNE (I) -- Senior Officer, Royal Naval Establishment (India) (GB)

SORR -- Submarine Operations Research Report (by SORG)

SOS -- Radio Distress Call

SOS -- Services of Supply (Army)

SOSED -- Secretary's Office, Shore Establishments Division (incorporated into SECP, 1944)

SOSSPA -- Service of Supply, South Pacific Area

SOSU -- Scout Observation Service Unit

SOT -- USNR officer designation. See SO and T. Formerly S(O)-T.

SO1T -- USNR officer designation. See SO1 and T. Formerly S(O1)-T.

SO2T -- USNR officer designation. See SO2 and T. Formerly S(O2)-T.

SO3T -- USNR officer designation. See SO3 and T. Formerly S(O3)-T.

SO4T -- USNR officer designation. See SO4 and T. Formerly S(O4)-T.

SO5T -- USNR officer designation. See SO5 and T. Formerly S(O5)-T.

SO6T -- USNR officer designation. See SO6 and T. Formerly S(O6)-T.

SOTB -- Secretary's Office, Transportation Branch

SoWesPac -- Southwest Pacific Command

SoWesSeaFron -- Southwest Sea Frontier

SOX -- USNR officer designation. See SO and X. Formerly S(O)-X.

SO1X -- USNR officer designation. See SO1 and X. Formerly S(O1)-X.

SO2X -- USNR officer designation. See SO2 and X. Formerly S(O2)-X.

SO3X -- USNR officer designation. See SO3 and X. Formerly S(O3)-X.

SO4X -- USNR officer designation. See SO4 and X. Formerly S(O4)-X.

SO5X -- USNR officer designation. See SO5 and X. Formerly S(O5)-X.

S06X -- USNR officer designation. See SO6 and X. Formerly S(O6)-X.

SP -- San Pedro, California

S/P or SP -- Seaplane

SP -- Section Patrol

SP -- Security Publication

SP -- Shore Patrol

SP -- Single Purpose Gun

SP -- Smokeless Powder

SP -- Specialist

SP -- Qualified in Submarine Training

SP -- Sub-Professional (Civil Service employees designation)

SP -- Summary Plotter (radar)

SPA -- South Pacific Area

SpA -- Specialist, Physical Training Instructor

SPAB -- Supply, Priorities and Allocations Board

SPARS -- Women's Reserve U.S. Coast Guard. The word SPAR was coined from the initials of the Coast Guard motto: "Semper Paratus" (Always Ready).

SpAst -- Special Assistant

SPATS -- South Pacific Air Transportation Service

SpC -- Specialist, Classification Interviewer

SPC -- Standard Products Committee

SpCW -- Specialist, Chemical Warfare

SPD -- Southern Procurement Division

SpD -- Specialist, Animal Handler

Spd -- Speed

SPDC -- Spare Parts Distributing Center

Spdltr -- Speed letter

Spec -- Special

Spec -- Specialist

Spec -- Specification

SPEC -- USNR officer designation for Special Service, Reserve Pay Clerk

SpeNavO -- Special Naval Observer

SpEPS -- Specialist, Motion Picture Server-Booker

SpERW -- Specialist, Recreation and Welfare Assistant

SpF -- Specialist, Firefighter

SpG -- Specialist, Gunnery

SpGM -- Specialist, Gunnery, Aviation Free Gunnery Instructor

SpGN -- Specialist, Gunnery, Anti-Aircraft Gunnery Instructor

SpI -- Specialist, Punched Card Accounting Machine Operator

Spl -- Special; Specialist

SpLT -- Specialist, Link Trainer Instructor

SplW -- Special Warrant

SpM -- Mail Clerk

SPM -- Self-propelled mount

SPO -- Shore Patrol Officer

SpO -- Specialist, Inspector of Naval Material

SpOAV -- Specialist, Inspector of Aviation material

SpOEN -- Specialist, Engineering Inspector

SpOOR -- Specialist, Ordnance Inspector

SpOPE -- Specialist, Petroleum Technician

SPORT -- Support

SportFor -- Support Force

SPOT -- Spotter

SpP -- Specialist, Photographic Specialist

SpPLB -- Specialist, Photographer, Laboratory

SpPMP -- Specialist, Motion Picture Production

SpPPG -- Specialist, Photogrammetry

SpPR -- Specialist, Public Relations (USCG)

SPPS -- Specialist, Port Security (USCG)

SpPVM -- Specialist, V-Mail

SpQ -- Specialist, Communications Specialist

SpQCR -- Specialist, Specialist, Communications Specialist, Cryptographer

SpQIN -- Specialist, Communications Specialist, Radio Intelligence

SpQRP -- Specialist, Communications Specialist, Registered Publication Clerk

SpQTE -- Specialist, Communications Specialist, Technician

SpR -- Specialist, Recruiter

S&PResDis -- Severn and Potomac Reserve District (USMC)

SpS -- Specialist, Personnel Supervisor (Women's Reserve)

SpS -- Specialist, Shore Patrol and Security

SPSA -- Special Projects School for Air

SpSPS -- Specialist, Personnel Supervisor, V-10

SpT -- Specialist, Teacher

SpTLT -- Specialist, Link Trainer Instructor

SP(TR) -- Specialist, (Transportation) (USCG)

SPU -- Special Projects Unit

SpU -- Specialist, Utility (Women's Reserve)

SpV -- Specialist, Transport Airman

SpW -- Specialist, Chaplain's Assistant

SpX -- Specialist, not elsewhere classified

SpXAC -- Specialist, Archivist

SpXAR -- Specialist, Artist

SpXBL -- Specialist, Ballistics

SpXCC -- Specialist, Cable Censor

SpXCG -- Specialist, Crystal Grinder

SpXCT -- Specialist, Cartographer

SpXDI -- Specialist, Discharge Interviewer

SpXED -- Specialist, Engineering Draftsman

SpXFP -- Specialist, Fingerprint Expert

SpXGU -- Specialist, Gage Specialist

SpXID -- Specialist, Intelligence Duties

SpXIR -- Specialist, Interpreter

SpXJO -- Specialist, Journalist

SpXKP -- Specialist, Key Punch Operator and Supervisor

SpXNC -- Specialist, Naval Correspondent

SpXOP -- Specialist, Special Project

SpXPC -- Specialist, Position Classifier

SpXPI -- Specialist, Pigeon Trainer

SpXPL -- Specialist, Plastic Expert

SpXPR -- Specialist, Public Information

SpXQM -- Specialist, Operations--Plotting and Chart Work

SpXRL -- Specialist, Research Laboratory

SpXRS -- Specialist, Armed Forces Radio Service and Special Naval Radio Units

SpXRT -- Specialist, Passenger Transportation

SpXSB -- Specialist, Telephone Switchboard Operator and Supervisor

SpXST -- Specialist, Strategic Services

SpXTD -- Specialist, Topographic Draftsman

SpXTS -- Specialist, Air Stations Operations Desk--Time Shack

SpXVA -- Specialist, Visual Training Aids

SpY -- Specialist, Control Tower Operator

Sq -- Squadron

Sqdn -- Squadron

Sqn -- Squadron

SR -- Air Search Radar Receiver (shipborne)

SR -- Seaplane Reconnaissance Aircraft

S/R -- Service Record (Army)

SR -- Shipment Request

SR -- Ship Repair Ratings

SR -- Sound Rating (Army)

3SR -- Internal Delivery Teletype (intra-ship)

SR -- USNR officer designation. See S and R. Formerly (S)-R.

SRB -- Seaplane Repair Base

SRB -- Service Record Book (USMC)

SRF -- Submarine Repair Facility

SRL -- Serial

SrMbr -- Senior Member

SRNC -- Severn River Naval Command

S/RS -- Staff Returns (USMC)

SRTU -- Ship Repair Training Unit

SRU -- Seaplane Reconnaissance Unit

SRU -- Ship Repair Unit

SRU -- Submarine Repair Unit

SS -- High frequency radar, directional

SS -- Selectee (USMC)

SS -- Selective Service

SS -- Sharpshooter (USMC)

SS -- Single-seated

SS -- Steamship

SS -- Submarine

SS -- Submarine Qualification

SS -- Submarine Studies (by SORG)

SS -- Sworn Statement

SSA -- Ship's Stores Ashore

SSA -- Signal Security Agency

SSC -- Submarine Supply Center

SS&CS -- Ship's Stores and Commissary Stores

SSD -- Scrap Salvage Division (BuS&A)

SSD -- Stabilized Ship Detector

SSDB -- Shore Station Development Board

SSF -- Single-seated fighter

SSF -- Special Service Force

SSF -- Ship's Service Force

SSM -- Silver Star Medal

SSMB -- Ships' Service Man, Barber

SSMC -- Ship's Service Man, Cobbler

SSML -- Ship's Service Man, Laundryman

SSMT -- Ship's Service Man, Tailor

SSP -- Scouting seaplane

SSP -- Ship's Stores Profit

SSPN -- Ship's Stores and Profit, Navy

SSR -- Spin Stabilized Rockets

SSU -- Special Service Unit

SSU -- Squadron Service Unit (Aircraft)

SSU -- Strategic Services Unit; formerly, Office of Strategic Service (OSS)

S/T -- Shipping Ticket (Army)

S/T -- Sonic Telegraphy

ST -- Steward

ST -- Stockton

ST -- Stratus

ST -- Type of submarine radar used for surface search and ranging while submerged

ST -- USNR officer designation. See S and T. Formerly (S)-T.

*STA -- Station

Sta -- Stationary

STAD -- Special Temporary Aviation Duty (USMC)

STAG -- Special Task Air Group

*STAN -- Standard

#STANLANCRU -- Standard Landing Craft Unit

STAR -- Specialized Training and Reassignment (Army)

Stat -- Statues-at-Large of the United States

Stbd -- Starboard

STD -- Physically on board under instruction; not ship's company

Std -- Steward

StdA -- Steward's Assistant

StdB -- Steward's Branch (USMC)

Ste -- Steward (Officer's) (USMC)

Steno -- Stenographer

Stereo -- Stereoscopic

SteT -- Steward, technical (USMC)

StfSgt -- Staff Sergeant (USMC)

STG -- Absent in straggler status

Stinger Dog Project -- A drone boat project

StM -- Steward's Mate

STO -- Storekeeper (USCG)

STOCK -- Stockton, California

STP -- Stop

StrAFPOA -- Strategic Air Force, Pacific Ocean Area

Strag -- Straggler

StrAirPoa -- Strategic Air Force, Pacific Ocean Areas

STRG -- Straggler

STIK -- Striking

STT -- Stenographer, Medical

STU -- Service Trials Unit

Stud -- Student

STV -- Steam Tank Vessel

SU -- Service Unit (Army)

SUB -- Submarine Service

SubAd -- Submarine Force, Pacific Fleet Administration

SubAdMI -- Submarine Force, Pacific Fleet Administration, Mare Island

SuBase -- Submarine Base

SubBase -- Submarine Base

SubCom -- Subordinate Command, Service Force, Pacific Fleet

SubDiv -- Submarine Division

SubLant -- Submarine Force, Atlantic Fleet

Subm -- Submerged

SUBOR -- Subordinate

SuborCom -- Subordinate Command

SuborComd -- Subordinate Command

SuborComdServLant -- Subordinate Command, Service Force, Atlantic Fleet

SuborComdServPac -- Subordinate Command, Service Force, Pacific Fleet

SubPac -- Submarine Force, Pacific Fleet

SubPacAd -- Submarine Force, Pacific Fleet, Administrative Command

SubPacSubordCom -- Submarine Force, Pacific Fleet, Subordinate Command

SubRon -- Submarine Squadron

SUBRU -- Submarine Repair Unit

SUBS -- Subsistence Allowances

SubScoFor -- Submarine Scouting Force (Pacific Fleet)

SubsLant -- Submarines, Atlantic Fleet

SubsPac-- Submarines, Pacific Fleet

SubsSoWesPac -- Submarines, Southwest Pacific Force

#SUCHTRANS -- For such transportation as he may designate

#SUCHTRANSVAIL -- (via) Such transportation as may be available

SUDAM -- Sunk or Damaged

Sugar -- "S" in the phonetic alphabet, replacing the obsolete "Sail"

SumCM -- Summary Court Martial (Army)

Su or Du -- Single or double uptake (boilers)

*SUP -- Supply

SupCom -- Supreme Command

SupCon -- Superintending Constructor

Super Sniffer -- A racon

Super Scarab -- naval aircraft engine, 7 cylinders, manufactured by Warner

SuPier -- Naval Supply Pier

SupInsMat -- Supervising Inspector of Naval Material

#SUUPOFCOMD -- Supply Officer-in-Command

SupSgt -- Supply Sergeant (USMC)

SupShip -- Supervisor of Shipbuilding

*SUPT -- Superintendent (ing)

SuptNavObsy -- Superintendent, Naval Observatory

Supv -- Supervisor

SUR -- Physically on board as a "Survivor"

Sur -- Surrender(ed)

SurGen -- Surgeon General

*SURV -- Survey

SUS -- Suspended (aviation)

SUSNO -- Senior U.S. Naval Officer

SUSP -- Vessels which will have construction terminated upon the completion of specified items

SV -- Selective Volunteer (U.S> Navy)

SV -- Type of submarine radar for aircraft warning

S/V -- Surface Vessel

SVC -- Service

SvC -- Service Command (Army)

SW -- Secretary of War

SW -- Security Watch

SW -- Ship's Warrant (USMC)

SW -- Southwest

SWA -- Southwest Approaches (to GB)

SWETTU -- Special Weapons Experimental Tactical Test Unit

SWNCC -- State, War, Navy Coordinating Committee

SWOD -- Special Weapons Ordnance Devices

SWPA -- Southwest Pacific Area

SWPA -- Surplus War Property Administration

SWPC -- Smaller War Plants Corporation

SWPF -- Southwest Pacific Force

SWTTEU -- Special Weapons Test and Tactical Evaluation Unit

SX -- Search and altitude determining radar with constant sweep

SX -- Sectional Express (boiler)

SX -- USNR officer designation. See S and X. Formerly (S)-X.

S T U V W X Y Z
--- T ---

T -- First letter in the Navy aircraft designation, indicating a torpedo plane

T -- Northrop Aircraft, Inc. (El Segundo Division, Douglas Aircraft, Inc.) (manufacturer's symbol)

T -- Taylorcraft Aviation Corporation (Manufacturer's symbol)

T -- Telegrapher

T -- Temporary (personnel status)

T -- Timm Aircraft Corporation (manufacturer's symbol)

T -- Tons

T -- Trainer Aircraft

T -- Transferred

T -- Tug

T -- A suffix which, when appended to a basic USNR line officer classification, indicates special qualifications in electronics: officers who are trained in the technical and material details of radio, radar, and underwater sound.

T/A -- Table of Allowances (Army)

TA -- Tacoma

TA -- Tax Amortization (Plan)

TA -- Travel Allowance

TA -- United Kingdom to United States (military) (routing designation)

TAC -- Tactical Air Force

Tac/R -- Tactical Reconnaissance

TAD -- Temporary Additional Duty

TAD -- Physically on board for temporary additional duty from another ship or activity

TAD -- Training Aids Division

TADC -- Training and Distribution Center

TAG -- The Adjutant General (Army)

TAG -- Training Aids Guide

TAG -- Transport Air Group (Joint Army, Navy and Marine Corps)

TAG -- Trinidad to Aruba to Guantanamo (routing designation)

TAIU -- Technical Aircraft Instrument Unit

TAJ -- Radio transmitter

TAL -- Training Aids Library

TANKSEC -- Petroleum and Tanker Division, Assistant CNO

TAR -- Target

Tare -- "T" in the phonetic alphabet

TARFU -- "Things are really fouled up"

TAS -- Training Aids Section

TAS -- True Air Speed

TaskFlot -- Task Flotilla

TASSO -- Transatlantic Air Safety Service Organization

TAT -- Torpedo Attack Teacher

TAW -- Trinidad to Aruba to Key West (routing designation)

TB -- First two letters in the Navy aircraft designation, indicating a torpedo-bombing plane

TB -- Torpedo Boat (German); corresponds to US DE

TB -- Tractor Biplane

TB -- Trinidad to Bahia (routing designation)

TBA -- Tables of Basic Allowances; previously, Basic Tables of Commissioning Allowances (BTCA)

TBD-# -- "Devastator"; single-engine Navy torpedo-bomber (VTB), manufactured by Douglas

TBD -- Target Bearing Designator

TBF-# -- "Avenger"; single-engine Navy torpedo-bomber (VTB), manufactured by Grumman

TBI -- Target Bearing Indicator

TBK -- Radio Transmitter (HF)

TBL -- Radio Transmitter (HF)

TBM -- Radio Transmitter (HF)

TBM-# -- "Avenger"; single-engine Navy torpedo-bomber (VTB), manufactured by General Motors

TBR -- Torpedo Bomber Reconnaissance Aircraft

TBS -- "Talk-Between-Ships"; very high frequency shipborne radio equipment of medium power, used for ships tactically maneuvering

TBX -- Semi-portable radio equipment of low power

TBY -- Portable radio equipment of low power used as emergency for TBS

TBY-# -- "Sea Wolf"; Navy torpedo plane (VTB), manufactured by Consolidated-Vultee

TC -- Training Center

TC -- Training Circular (Army)

TC -- Transportation Corps (Army)

TC -- Turret Captain

TCA -- Theatre Commander's Approval

TCC -- Transportation Control Committee

TCg -- Contract for USCG

T Co -- Transportation Company (Army)

TCS -- Radio Transceiver (HF); used extensively in all amphibious craft

TCS -- Traffic Control Station (Army)

TCU -- new York to United Kingdom (Troop) (routing designation)

TCZ -- Permanent shipborne radio installation of medium power

TD -- First two letters in the Navy aircraft designation, signifying Drone

TD -- Tank Destroyer (Army)

TD -- Physically on board for temporary duty (officers only)

TD -- Topographic Draftsman

TD -- Torpedo Dive Bomber Aircraft

TDC -- Tank Destroyer Center (Army)

TDC -- Navy target (training) drone, manufactured by Culver Air

T&DC or T&DCen -- Training and Distribution Center

TDCO -- Torpedo Data Computer Operator

TDD-# -- Navy pilotless aircraft for target training, manufactured by Radioplane

TDM -- Torpedo Detection Modification (sonar)

TDN -- Travel directed is necessary in the military service (Army)

TDN -- Twin-engine Navy drone manufactured by Brunswick-Balke

TDQ -- Radio Transmitter (VHF)

TDQ-RCK -- Shipborne radio transmitter and receiver of medium power for very high frequency; used in ship-to-plane communications

TDR -- Twin-engine Navy assault drone, (VTD) manufactured by Interstate

TDS -- Reservists in annual training duty status

TDS -- Target Designation System

TDT -- Radio Transmitter (VHF)

TDT -- Target Designation Transmitter

T/E -- Tables of Equipment (Army)

TE -- Technician Communications

TE -- Turbo Electric Drive

TE -- Twin Engine

*TECH -- Technical

Tech -- Technician

TechTra -- Air Technical Training

TEG -- Purchases by Coast Guard (BuS&A symbol)

*TEL -- Telegram

TEL -- Tetraethyl Lead

TELCON -- Telephone conversation

Teletype -- Teletypewriter

#TEM -- Temporary duty

#TEMAC -- Temporary active duty

#TEMACINS -- Temporary active duty under instruction

#TEMADD -- Temporary additional duty

#TEMADDCON -- Temporary additional duty in connection with

#TEMADDINS -- Temporary additional duty under instruction

#TEMCON -- Temporary duty connection

#TEMPFLY -- Temporary duty involving flying

#TEMFLYINS -- Temporary duty involving flying under instruction

#TEMINS -- Temporary duty under instruction

Temp -- Temporary

Temp att -- Temporarily attached

Temp d -- Temporary duty

Temp det d -- Temporary detached duty

#TEMPLINACT -- Temporary duty pending disciplinary action

#TEMPLINEAR -- Temporary duty (disciplinary hearing)

#TEMWAIT -- Temporary duty awaiting

TENN -- Tennessee

TERM -- Terminal island

TEV -- Turbo-Electric Drive (5-inch guns)

TEX -- Texas

"Texan" -- See SNJ-#

TexGrp -- Texas Group

TF -- Task Force

TD -- Torpedo Fighter Aircraft

TFC -- Time of First Call

TG -- Task Group

Tg -- Telegraph

TGT -- Target

TH -- Territory of Hawaii

TH -- Thermite or Magnesium Bomb

THI -- Time Handed In

Thorny -- Thorny or Thorny-Craft (boilers)

THOU -- Thousand

THQ -- Theater Headquarters (Army)

TI -- Terminal Island (San Pedro)

TI -- Training Instructor

TI -- Treasure Island (San Francisco Bay)

TIC -- Technical Intelligence Center (Navy)

"Tigercat" -- See F7F-#

TIIC -- Technical Industrial Intelligence Committee

TINA -- Identification of radio operators by personal keying characteristics (RFP--radio finger printing)

TINSY -- Treasure Island Naval Shipyard

TIO -- Target Indication Officer

TIR -- Target Indication Room

TIS -- Technical Information Section (Navy)

TIS -- Theater Intelligence Section

TIU -- Target Indication Unit

TJ -- Trinidad to Rio de Janeiro (routing designation)

Tk -- Tank

T/L -- Training Literature

Tl -- Trial

TLoan -- Termination Loan

TLP -- Torpedo Landplane

TLP -- Total Loss of Pay

TLR -- Triangulation-Listening-Ranging (sonar)

TM -- Technical Manual (Army)

TM -- Torpedoman's Mate

TM -- Tractor Monoplane

TM -- Trinidad to Gibraltar (routing designation)

TMB -- David W. Taylor model Basin

TME -- Torpedoman's Mate, Electrical

TMF -- Trinidad to Gibraltar, Fast (routing designation)

T mort -- Trench mortar (Army)

TMV -- Torpedoman's Mate, Aviation

TNT -- A high explosive (trinitro-toluol)

TO -- Netherlands West Indies to New York (routing designation)

TO -- Northwest Africa to Aruba or Curacao (routing designation)

T/O -- Tables of Organization (Army)

TO -- Take Off

TO -- Technical Observer (flying)

TOBEDI -- To be disposed of (vessels)

TOBELE -- To be leased (vessels)

TOBELN -- To be loaned (vessels)

TOC -- Trinidad to Curacao (routing designation)

(TOC) -- Tanker Operational Circular

TOD -- Time of Delivery

T/O&E -- Tables of Organization and Equipment

T of Opns -- Theater of Operations

TOG Method -- Target-Observer-Gun Method (Army)

TOO -- Time of Origin

TopoEngr -- Topographical Engineer

TOPSEC -- Top Secret

TOR -- Time of Receipt

*TORP -- Torpedo

TORP -- Torpedoman

TorpRon -- Torpedo Squadron

TOT -- Time of Transmission (or Time on Tape)

TOT -- Time Over Target

Tp -- Telephone

TPA -- Transfer of Pay Account

TPI -- Target Position Indicator

TpOp -- Telephone Operator

TR -- Technical Regulations (Army)

TR -- Torpedo Reconnaissance Aircraft

Tr -- Transfer(red)

T/R -- Transportation Request

*TRA -- Training

Trac -- Tractor

TraComd -- Training Command

TraComdLant -- Training Command, Atlantic Fleet

TraComdPac -- Training Command, Pacific Fleet

TraComdSubPac -- Training Command, Submarines, pacific Fleet

TraComdWestCoast -- Training Command, West Coast

Tractor Group -- Convoy of ships (usually LSTs or LSVs) whose destination is an amphibious assault and whose cargo ins principally tracked vehicles used in assault

TRADET -- Training Detachment

TrainBaseFor -- Train Base Force, pacific Fleet

TrainLant -- Train Atlantic Fleet

TrainRon -- Train Squadron (later ServRon or SerRon)

TranC -- Transient Center (USMC)

*TRANS -- Transport(ation)

TRANSDEP -- Transportation of dependents

TransDiv -- Transport Division

TransGrpPhibFor -- Transportation Group Amphibious Forces

TransGrpSoPac -- Transport Group, South Pacific Force

TransLant -- Transports, Atlantic Fleet

TransPhibLant -- Transports, Amphibious Force, Atlantic Fleet

TansPhibPac -- Transports, Amphibious Force, Pacific Fleet

TransRon -- Transport Squadron

TraSta -- Training Station

"Traveler" -- See GB-#

TrBr -- Transportation Brand

TR/FLRES -- Transferred to Fleet Reserve

TRLP -- Transport Landplane

Trng -- Training

Trng d -- Training duty

T&RNP -- Transportation of Recruiting Naval Personnel (appropriation title)

Tra -- Troops

TRSP -- Transport seaplane

TRSY -- Treasury

TS -- Tanapap, Saipan

TS -- Time Shack (NAS Operations Desk)

TSCC -- Top Secret Control Channels

TSCO -- Top Secret Control Officers

TSCP -- Top Secret Control Proceeding

TSCS -- Top Secret Control Section

TSgt -- Technical Sergeant

TSgt(C) -- Technical Sergeant (Commissary)

TSMG -- Thompson Submachine Gun

TSP -- Torpedo Seaplane

TT -- Target Towing Aircraft

*TT -- Teletypewriter

TTF -- Training Task Force

TTPE -- Total Taxable Pay Earned

TTSA -- Transitional Training Squadron, Atlantic

TTSFP -- Training Transition School (Squadron), Pacific Fleet

TTSP -- Transition Training Squadron, pacific

TU -- Task Unit

TU -- Thank you

TU -- Training Unit (Army)

TU -- United Kingdom to United States (Troop) (routing designation)

Turb -- Turbines

Turb Elec -- Turbine Electric

TUSA -- Third United States Army

"Tutor" -- See N2T

TVG -- Time Variation of Gain

Twin-Wasp -- Naval aircraft engine, 14 cylinders, manufactured by Pratt and Whitney

Twin-Wasp Jr. -- Naval aircraft engine, 14 cylinders, manufactured by Pratt and Whitney

TWL -- Leased Teletypewriter Service

TWPL -- Teletypewriter, Private Line

TWX -- Commercial Teletypewriter Exchange System

Tx -- Texas

TX -- Transmitter (general term)

--- U ---

U -- Chance Vought Aircraft (Division, United Aircraft Corporation) (manufacturer's symbol)

U -- Vought-Sikorsky (Division, United Aircraft Corporation) (Manufacturer's symbol)

UAP -- Utility Amphibian Plane

U/C -- Unclassified

UC -- Under Construction

UC -- United Kingdom to New York (routing designation)

UCDWR -- University of California Division of War Research

UCO -- Universal weather landing code

UCT -- United Kingdom to New York (Troop) (routing designation)

UDCA -- Undesirable discharge, trial by civil authorities

UDDE -- Undesirable discharge, desertion without trial

UDFE -- Undesirable discharge, fraudulent enlistment

UDT -- Underwater Demolition Team

UDTPhibsPac -- Underwater Demolition Teams, Amphibious Forces, Pacific Fleet

UDUF -- Undesirable discharge, unfitness

U/F -- Unit of Fire (Army)

UFU -- Utility Flight Unit

UG -- United States to Mediterranean (routing designation)

UGF -- United States to Mediterranean, Fast (routing designation)

UGS -- United States to Mediterranean, Slow (routing designation)

UHF -- Ultra High Frequency

U/I -- Unidentified

UIM -- Ufficio Informazioni Militaire (Italy)

UK -- United Kingdom

UKIP -- United Kingdom Import Plan

ULP -- Utility landplane

UN -- United Nations

Uncle -- "U" in the phonetic alphabet, replacing the obsolete "Unit"

UnderSecNav -- Under Secretary of the Navy

UNIF GRAT -- Uniform gratuity

Unit -- "U" in the phonetic alphabet, now obsolete and replaced by "Uncle"

Univ -- Universal

UNLOD -- "Discharging"

UNO -- United Nations Organization (now UN)

#UNORDGAN -- Unexecuted portion of orders hereby cancelled

UNRRA -- United Nations Relief and Rehabilitation Administration

UPO -- Unit Personnel Office (Army)

*UR -- Your(s)

URAD -- Your Radio

URDIS -- Your Dispatch

URLTR -- Your Letter

URMGM -- Your Mailgram

URMSG -- Your Message

URSER -- Your Serial

URTEL -- Your Telegram

US -- United States

U/S or US -- Unserviceable

USA -- U.S. Army

USAAF -- U.S. Army Air Forces

USAAFIME -- U.S. Army Air Forces in the Middle East

USAASC -- U.S. Army Air Service Command

USAF -- U.S. Army Forces

USAFI -- U.S. Armed Forces Institute

USAFICPA -- U.S. Army Forces in the Central Pacific Area

USAFIK -- U.S. Army Forces in Korea

USAFIME -- U.S. Army Forces in the Middle East

USAFISPA -- U.S. Army Forces in the South Pacific Area

USAFSA -- U.S. Army Forces in South America

USAIRMILCOMUNO -- U.S. Army Air Force Representative, UN Military Staff Committee

USASOS -- U.S. Army Service of Supply

USAT -- U.S. Army Transport

USBATU -- U.S.-Brazil Aviation Training Unit

USC(A) -- U.S. Code (Annotated)

USCC -- U.S. Commercial Company

USCG -- U.S. Coast Guard

USCGA -- U.S. Coast Guard Academy

USCGC -- U.S. Coast Guard Cutter

USCGR -- U.S. Coast Guard Reserve

USC & GS -- U.S. Coast and Geodetic Survey

U-sec -- Micro-seconds

USEES -- U.S. Naval Engineering Experiment Station (Annapolis)

USF -- U.S. Fleet

USF (No.) -- Current Tactical Orders and Doctrine, U.S. Fleet (No.)

USFR -- U.S. Fleet Reserve

USFR 2 -- See F

USFR 3 C -- See F

USFRD 3 D -- See F

USFR 4 C -- See F

USFR 4 D -- See F

USFR 5 -- See F

USHP -- U.S. Helium Plant (Amarillo)

USL -- Underwater Sound Laboratory

USLO -- U.S. Liaison Officer

USMA -- U.S. Military Academy (West Point)

USMAPU -- U.S. Military Academy Preparatory Unit

USMB -- U.S. Marine Barracks

USMC -- U.S. Marine Corps

USMC -- U.S. Maritime Commission

USMCAS -- U.S. Marine Corps Air Station

USMCR -- U.S. Marine Corps Reserve

USMCR(F) -- U.S. Fleet Marine Corps Reserve

USMCR(O) -- U.S. Organized Marine Corps Reserve

USMCR(V) -- U.S. Volunteer Marine Corps Reserve

USMCWR -- U.S. Marine Corps Women's Reserve

USMEMMILCOMUNO -- U.S. Members, UN Military Staff Committee

USMILCOMUNO -- U.S. Delegation, UN Military Staff Committee

USMS -- U.S. Maritime Service

USMSOS -- U.S. Maritime Service Officers School

USMSTS -- U.S. Maritime Service Training School

USN -- U.S. Navy (also indicates Regular Navy)

USNA -- U.S. Naval Academy (Annapolis)

USNACC -- U.S. Naval Member of the Allied Control Commission (Germany)

USNATRA -- U.S. Naval Training

USNAVYMILCOMUNO -- U.S. Naval Representative, UN Military Staff Committee

USNDD -- U.S. Naval Drydocks

USNH -- U.S. Naval Hospital

USN-I -- U.S. Regular Navy-Inductee

USN-I-CB -- U.S. Regular Navy-inductee-Construction Battalion

USNIP -- U.S. Naval Institute Proceedings

USN-ISA -- U.S. Regular Navy-Inductee Special Assignment

USNLO -- U.S. Naval Liaison Officer

USNR -- U.S. Naval Reserve

USNR -- U.S. Navy Regulations

USNR M -- U.S. Merchant Marine Reserve

USNR M1 -- U.S. Merchant Marine Reserve Seagoing

USNR M2 -- U.S. Merchant Marine Reserve Coastal Defense

USNR O -- U.S. Organized Naval Reserve

USNR O1 -- U.S. Organized Naval Reserve Seagoing

USNR O2 -- U.S. Organized Naval Reserve Aviation

USNR&SL -- U.S. Navy Radio and Sound Laboratory (San Diego)

USNR SV -- U.S. Naval Reserve, Selective Volunteer

USN-SV -- U.S. Regular Navy Selective Volunteer

USNR V -- U.S. Volunteer Naval Reserve

USNTI -- U.S. Navy Travel Instructions

USO -- Under Secretary of the Navy's Office

USO -- United Service Organizations

USP -- Utility seaplane

USRad -- U.S. Fleet Shore Radio Station

USREPMILCOMUNO -- U.S. Representative, UN Military Staff Committee

USREPOF -- U.S. Navy Reporting Officer

USRO -- U.S. Routing Office

USS -- U.S. Ship (naval vessel)

USSAFE -- U.S. Strategic Air Force, Europe

USSBS -- U.S. Strategic Bombing Survey

USSECMILCOMUNO -- The Secretary, U.S. Delegation, UN Staff Committee

USSR -- Union of Soviet Socialist Republics

USSTAFE -- U.S. Strategic Tactical Air Force, Europe

USW -- Undersecretary of War

USWBC -- U.S. War Ballot Commission

UT -- United States to United Kingdom (Troop) (routing designation)

*UT -- Utility

UTC -- Unit Training Center (Army)

UtRon -- Utility Squadron

UtRonFwdArea -- Utility Squadron, Forward Area

UtWing -- utility Wing

UtWingServLant -- Utility Wing, Service Force, Atlantic

UtWingServPac -- Utility Wing, Service Force, Pacific

--- V ---

V-1, V-2, V-3 -- Divisions of the Air Department aboard an aircraft carrier

V -- Canadian Vickers (manufacturer's symbol)

V -- Consolidated-Vultee Aircraft Corporation(ConVAir) (manufacturer's symbol)

V -- Heavier-than-air aircraft

V -- Lockheed Aircraft Corporation (formerly Vega Aircraft Corporation) (manufacturer's symbol)

V-1 -- Pilotless flying bomb employed by the Germans

V-2 -- Rocket bomb employed by the Germans

V -- Vega Aircraft Corporation (now Lockheed Aircraft Corporation) (manufacturer's symbol)

V -- Vertical in line (aircraft engine)

V -- Vickers, Inc. (manufacturer's symbol)

V -- Volunteer (U.S. Naval Reserve)

V -- Vultee Aircraft, Inc. (manufacturer's symbol)

V1 -- Accredited College Program and Naval ROTC (USNR classification)

V2 -- Aviation Branch (USNR classification)

V3 -- Communications (USNR classification)

V4 -- Intelligence (USNR classification)

V5 -- Aviation Cadets (USNR classification)

V6 -- General Service and Specialists (USNR classification)

V7 -- Midshipmen Officer Candidates (USNR classification)

V8 -- Aviation Pilot Training, Enlisted Reserve (USNR classification)

V9 -- WAVES Officer Candidates (USNR classification)

V10 -- WAVES Enlisted Personnel (USNR classification)

V11 -- Midshipmen Officer Candidates O (Older Group) (USNR classification)

V12 -- College Training Program (USNR classification)

VA -- Ambulance plane

VA -- Veterans' Administration

VA -- Virginia

VA -- Visual Training Aid Specialist

VABPF -- Vice Admiral British Pacific Fleet

VA (D) -- Vice Admiral (Destroyers) (GB)

VADM -- Vice Admiral

"Valiant" -- See SNV-#

VAM -- Vice Admiral, Malta (GB)

*VAN -- Advanced

VAQ(VPF) -- Vice Admiral Administration British Pacific Fleet at Melbourne

VB -- Navy bombing plane

VB -- Navy dive bomber squadron

VBF -- Navy bombing-fighting aircraft

VBF -- Navy bomber-fighter squadron

VBT -- Bombing, torpedo plane

VC -- Composite aircraft squadron

VC -- Veterinary Corps (Army)

VCB -- Construction Battalion (USNR classification)

VCNO -- Vice Chief of Naval Operations

VCS -- Cruiser-scouting squadron

VD -- Photographic squadron (aircraft)

VD -- Venereal Disease

V-DISC -- Recording of musical entertainment

VDP -- Volunteer Reservists in drill pay status

VE -- Air Evacuation squadron

V-E -- Victory-Europe (9 May 1945)

"Ventura" -- See PV-1-3

Vert 2-exp -- Vertical double expansion engine

Vert 3-exp -- Vertical triple expansion engine

Vert 4-exp -- Vertical quadruple expansion engine

*VES -- Vessel

VESCA(S) -- Vessels and Cargo

*VET -- Veteran

VetAdm -- Veterans Administration

VF -- Navy fighter plane

VF -- Navy fighter squadron

VFB -- Fighter bombing plane

VF(M) -- Fighter plane (two-engine)

VF(N) -- Navy night fighter squadrons

VG -- Light transport plane (single-engine)

VG -- Very good

VGF -- Escort-fighting squadron

VGS -- Escort-scouting squadron

VH -- Ambulance plane

VH -- Navy rescue squadron

VHF -- Very High Frequency

VI -- Virgin Islands

Vice Adm -- Vice Admiral

Vice CNO -- Vice Chief of Naval Operations

Victor -- "V" in the phonetic alphabet

"Vindicator" -- See SB2U-#

VIO -- Visual Intercept Officer

VIP -- Very Important Person

"Viper" -- See BAKA

VIPI -- Very Important Person Indeed

VIR -- Virginia

VIS -- Visibility

*VIS -- Visual

VJ -- Utility plane

VJ -- Navy utility squadrons

V-J -- Victory-Japan (14 August 1945)

V-J(M) -- Utility, 2-engine plane

V-JR -- Utility-transport plane

VK -- Drone

VKN -- Target drone (training)

VL -- Glider

VLA -- Very Low Altitude

VLB -- Navy glider (special)

VLN -- Training glider

V-Loan -- Production loan made under regulation V (Victory) of the Federal Reserve System

VLR -- Transport glider

VLR -- Very long range (aircraft)

VM -- Anti-aircraft Gunnery Instructors

VM -- Aviation Free Gunnery Instructors

VM -- Discharge Interviewers

VM -- Engineering Inspectors

VM -- Inspectors of Aviation Material

VM -- Ordnance Inspectors

VM -- Position Classifiers

VM -- V-Mail Specialists

V-Mail -- Letters transmitted by microfilm

VMB -- Marine medium and heavy patrol bomber squadron (land-based and seaplane)

VMBF -- Marine fighter bomber squadrons

VMD -- Marine photographic squadrons

VMF -- Marine fighter squadrons

VMF(N) -- Marine night fighter squadrons

VMJ -- Marine utility squadron

VML -- Marine glider squadron

VMO -- Marine observation squadron

VMO(AS) -- Marine observation squadron (artillery spotting)

VMR -- Marine transport squadron

VMSB -- Marine scout bombing squadron

VMTB -- Marine torpedo bomber squadron

VN -- Training plane

VNO -- Observation plane

VO -- Navy battleship observation squadron

VO -- Verbal Order (Army)

VOC -- Navy observation spotter squadron

VOC -- Volunteer Officer Candidate (Army)

VOF -- Navy observation fighter squadron

VOG -- Navy observation plane squadron

*VOL -- Volunteer

VOpNav -- Vice Chief of Naval Operations (usually VCNO)

VOS -- Observation scout plane

*VOU -- Voucher

"Voyager" -- See JRB-2-3-4

VP -- Patrol plane

VP -- Navy patrol squadron

VP -- Venereal Pamphlet

VPB -- Patrol-bombing plane

VPB -- Navy medium and heavy patrol bomber squadron (land-based and seaplane)

VPB -- Vertical Plot Board

VPB (HL) -- Patrol Bomber, 4-engine, landplane

VPB (HS) -- Patrol Bomber, 4-engine, seaplane

VPB (ML) -- Patrol Bomber, 2-engine, landplane

VPB (MS) -- Patrol Bomber, 2-engine, seaplane

VPR -- Virtual PPI Reflectoscope (radar)

VPR-NMP -- VPR with Navigational Microfilm Projector (radar)

VPT -- Patrol-torpedo plane

VR -- Transport plane (multi-engine)

VR -- Navy transport squadron

VR (HL) -- Transport, 4-engine, landplane

VR (HS) -- Transport, 4-engine, seaplane

VR (ML) -- Transport, 2-engine, landplane

VR (MS) -- Transport, 2-engine, seaplane

VS -- Scouting plane

VS -- Navy shore-based scouting squadron

VS -- Visual Signal

VSB -- Scout-bombing plane

VSN -- Scout-training plane

VSN (M) -- Training plane, 2-engine

VSO -- Scout observation plane

VT -- Torpedo plane

VT -- Navy torpedo bomber squadron

VT -- Vermont

VTB -- Torpedo-bombing plane

VTD -- Navy aircraft (training)

VT fuse -- Variable Time fuse

VT-Loan -- Combination Production Termination loan

VT(N) -- Navy night torpedo bomber squadron

VTO -- Visual Training Officer

VTO -- Vocational Training Officer

--- W ---

W -- Canadian Car and Foundry (plane manufacturer's symbol)

W -- Special search mission (suffix to plane designation)

W -- Waco Aircraft Company (plane manufacturer's symbol)

W -- Willys-Overland (plane manufacturer's symbol)

W -- USNR officer designation for Women's Reserve, Unlimited Service. Formerly (W).

W(s) -- Watt(s)

WA -- Western Approaches (to GB)

WA -- USNR officer designation for Women's Reserve, Aviation Nonflying Duties. Formerly W(A).

WAA -- War Assets Administration

WAAC -- Women's Auxiliary Army Corps

WAC -- Women's Army Corps

WANAP -- Washington National Airport

"War-Weary" -- Over-age bombers equipped with "Block" (See "Block")

WASH -- Washington (State)

WASHDC -- Washington, D.C.

WASHN -- Washington

"Wasp" -- Naval aircraft engine, 9 cylinders, manufactured by Pratt and Whitney

"Wasp Junior" -- Naval aircraft engine, 9 cylinders, manufactured by Pratt and Whitney

WASPS -- Women's Airforce Service Pilots

WAT -- Key West to Aruba to Trinidad (routing designation)

"Water Buffalo" -- A Landing Vehicle, Tracked (LVT)

WATU -- Western Approaches Tactical Unit

WAVES -- Women Accepted for Volunteer Emergency Service (U.S. Navy Women's Reserve)

WB -- Weather Bureau

WC -- USNR officer designation for Women's Reserve, Communications Duties. Formerly W(C).

WC1 -- USNR officer designation for Women's Reserve, Special Communications Duties. Same as SC1. Formerly W(C1).

WC2 -- USNR officer designation for Women's Reserve, Special Communications Duties. Same as SC2. Formerly W(C2).

WCA -- Sound gear combination installation for sonar

WCAB -- Working Committee of the Aeronautical Board

WCBSU -- West Coast Base Service Unit

WCDC -- West Coast (Naval Publications) Distribution Center

WCPAB -- War Control Price Adjustment Board

WD -- USNR officer classification; qualified for Deck Watch

WD -- War Department

WDA -- Sound gear combination installation for sonar

WDC -- Washington Document Center

WDC -- Western Defense Command (Army)

WDCSA -- War Department Chief of Staff, US Army)

WDGF -- War Department Ground Forces

WDGS -- War Department General Staff

WDI -- War Department Intelligence

WDPMG-ID -- War Department Provost Marshal General, Investigation Division

WDSS -- War Department Special Staff

WE -- USNR officer designation for Women's Reserve, engineering duties. Formerly W(E).

WEA -- Weather

WEFY -- Wings, Engines, Fusilage, Tail (system for recognition of aircraft)

*WES -- West(ern)

WesAustralianFor -- West Australian Force

WesCar -- Western Carolines

WesCarSubArea -- Western Carolines Sub-Area

WesCoBaseServUnit -- West Coast Base Service Unit

WesCoSoundScol -- West Coast Sound School

WesSeaFron -- Western Sea Frontier

Westgh -- Westinghouse

WESTOMP -- West-Ocean Meeting Point

WestPacBaCom -- Western Pacific Base Command

WestSeaFron -- Western Sea Frontier

WESTUNION -- Western Union

WESTVIR -- West Virginia

W-F -- White-Forster (boilers)

WFA -- Sound gear combination installation for sonar

WFA -- War Food Administration

WFT -- Turbo Geared Drive Machinery

"Whirlwind" -- Naval aircraft engine, 7 cylinders, manufactured by both Wright and Naval Aircraft Factory

"Whirlwind" -- naval aircraft engine, 9 cylinders, manufactured by Wright

WHX -- St. Johns, Newfoundland, Joiner to HX (New York to United Kingdom) (routing designation)

WI -- Oak Harbor, Whidbey Island, Washington

WI -- USNR officer designation for Women's Reserve, intelligence duties. Formerly W(I).

WIA -- Wounded In Action

"Widgeon" -- See J4F-#

"Wilco" -- "I understand and will comply"

"Wildcat" -- See F4F-#, FM-#

William -- "W" in the phonetic alphabet

WIMS -- Wartime Instructions for Merchant Ships

"Window" -- Radar countermeasure

WIS -- Wisconsin

Wkr -- Worker

WL -- USNR officer designation for Women's Reserve, legal specialist duties. Formerly W(L).

WLTE -- Warrant loss to enlisted status; revocation of appointment

WM -- USNR officer classification; qualified for engineering watch

WMC -- War Manpower Commission

WNTF -- Western Naval Task Force

WO -- War Orientation

WO -- Warrant Officer

WO -- USNR officer designation for Women's Reserve, ordnance duties. Formerly W(O).

WOJG -- Warrant Officer, Junior Grade (Army)

WOO -- War Orientation Officer

WOP -- Without Payment

WOQ -- Wave Officers' Quarters

WP -- White Phosphorous

WPA -- Works Progress Administration Agency

WPB -- War Production Board

WPBC -- Western Pacific Base Command

WPD -- Western Procurement Division (USMC)

WPL -- War Plan(s)

Wpn -- Weapon(s)

WPNTS -- War Plan Naval Transportation Service

WPRI -- Wartime Pacific Routing Instructions

WPSC -- Shipping Control War Plan (Navy)

W&R -- Welfare and Recreation

WR -- Women's Reserve

WRA -- War Relocation Authority

WRNS -- Women's Reserve Naval Service ("Wrens") (GB)

WRO -- War Records Office

WS -- United Kingdom to Middle East to India (routing designation)

WSA -- War Shipping Administration

WSC -- Wabana Joiner to SC (Halifax, slow, to United Kingdom) (routing designation)

WSC -- Working Security Committee

WSF -- Western Sea Frontier

WT -- Water Tender

W/T -- Wireless Telegraphy (GB)

WTCB -- Water Tender Construction Battalion

WTF -- Western Task Force

WTV -- Water Tank Vessel

WU -- Western Union

WUTelCo -- Western Union Telegraph Company

WVA -- West Virginia

W-V(S) -- Commissioned officers of the Women's Reserve appointed for emergency duties. This classification was abolished in September 1944 and officers were assigned the new classification for which best qualified.

W-V(S) (CEC) -- Commissioned officers of the Women's Reserve appointed for duties in connection with the Civil Engineering Corps of the Navy. This classification was abolished in September 1944 and officers were assigned the new classification for which best qualified.

W-V(S) (DC) -- Commissioned officers of the Women's Reserve appointed for duties in connection with the Dental Corps of the Navy. This classification was abolished in September 1944 and officers were assigned the new classification for which best qualified.

W-V(S) (H) -- Commissioned officers of the Women's Reserve appointed for duties in connection with the Hospital Corps of the Navy. This classification was abolished in September 1944 and officers were assigned the new classification for which best qualified.

W-V(S) (MC) -- Commissioned officers of the Women's Reserve appointed for duties in connection with the Medical Corps of the Navy. This classification was abolished in September 1944 and officers were assigned the new classification for which best qualified.

W-V(S) (SC) -- Commissioned officers of the Women's reserve appointed for duties in connection with the Supply Corps of the Navy. This classification was abolished in September 1944 and officers were assigned the new classification for which best qualified.

WYO -- Wyoming

--- X ---

X -- Prefix in standard Navy aircraft designation, designating an experimental model

X -- Any punctuation (dispatches)

(X) -- Pre-Flight Center under reserve Training (not a Reserve Station)

X -- A suffix, which, when appended to a basic USNR line officer classification, indicates special qualifications in electronics: officers who, in addition to having the qualifications for CIC Watch Officers, are qualified in aircraft control except at night or in conditions of low visibility.

XAM -- Merchant ship converted into a mine-sweeper (old designation)

XAP -- Merchant cargo ship

XAP -- Radio Communications Team

XAP -- Transport (GB)

XB -- Halifax to Boston (routing designation)

XCL -- Armed Merchant Cruiser (US)

X&D Flot -- Experiment and Development Flotilla (landing Craft)

XFM -- Expeditionary Force Message (usually EFM)

XMTR -- Transmitter

XO -- Executive Officer

XPC -- OG cutter assigned to Inshore Patrol

XPG -- Converted merchant ships, assigned to antisubmarine patrol or convoy escort

Xray -- "X" in the phonetic alphabet

XRP -- X-Ray and Photofluorography Technician

XRT -- X-Ray Technician

--- Y ---

Y -- Consolidated Aircraft Corporation (manufacturer's symbol)

Y -- Consolidated-Vultee Aircraft Corporation (manufacturer's symbol)

Y -- Tankers (Army symbol)

Y -- Yeoman

YA -- District Lighter, Ash

YAG -- District Auxiliary, Miscellaneous

YandD -- Bureau of Yards and Docks

YangPat -- Yangtze Patrol, Asiatic Fleet

Yar -- Yarron (boilers)

YC -- District Lighter Open

YC -- Yard Craft

YCK -- Open Cargo Lighter

YCU -- Aircraft Transportation lighter

YCV -- District Lighter, Aircraft Transportation

Y&D -- Bureau of Yards and Docks

YD -- District Derrick, Floating

YDG -- District Degaussing Vessel

YDSD -- Yards & Docks Supply Depot

YDT -- District Diving Tender

YE -- Aircraft radio homing beacon (HAYRAKE)

YE -- District Lighter, Ammunition

YF -- District Lighter, Covered (self-propelled)

YF -- Provision Store Lighter

YF -- Range Tender

YFB -- District Ferry Boat or Launch

YFC -- Car Float

YFD -- Floating Drydock

YFN -- District Lighter, Covered (non self-propelled)

YFR -- Covered Lighter, Refrigerated (self-propelled)

YFRN -- Covered Lighter, Refrigerated (non self-propelled)

YFT -- District Lighter, Torpedo Transportation

YG -- District Lighter, Garbage, (self-propelled)

YG -- Land-based radio homing beacon (MOTHER)

YGN -- District Lighter, Garbage (non self-propelled)

Y-gun -- Y-type depth charge projector

YH -- District Lighter, Ambulance

YH -- Radar beacon

YHB -- District Boat, House

YHT -- District Scow, Heating

YJ -- Radar homing beacon

YK -- Radar beacon

YLA -- District Lighter, Open Landing

YM -- District Dredge

YM -- Radar beacon

YMS -- District Motor Mine Sweeper

YMT -- District Tug, Motor

YN -- District Net Tender

YNG -- District Gate Tender

YNT -- District Net Tender (Tug Class)

YO -- District Barge, Fuel Oil (self-propelled)

YOG -- District Barge, Gasoline (self-propelled)

YOGN -- District Barge, Gasoline (non self-propelled)

Yoke -- "Y" in the phonetic alphabet

YON -- District Barge, Fuel Oil (non self-propelled)

YOS -- District Barge, Oil Storage

YP -- District Patrol Vessel

YPD -- District Floating Pile Driver

YPK -- District Barge, Pontoon Stowage

YR -- District Workshop, Floating

YRC -- District Chamber, Submarine Rescue

YRD(H) -- District Workshop, Floating, Drydock (Hull)

YRD(M) -- District Workshop, Floating, Drydock (Machinery)

YS -- District Barge, Stevadoring

YSD -- District Derrick, Seaplane Wrecking

YSP -- District Pontoon Salvage

YSR -- District Barge, Sludge Removal

YT -- Harbor Tug

YT -- Yukon Territory

YTB -- District Tug, Harbor, Big

YTL -- District Tug, Harbor, Little

YTM -- District Tug, Harbor, Medium

YTT -- District Barge, Torpedo Testing

YTX -- Planned District Craft

YW -- District Barge, Water (self-propelled)

YWN -- District Barge, Water (non self-propelled)

--- Z ---

Z -- Administrative Aircraft (suffix to plane designation)

Z -- Lighter-than-air aircraft (airship)

Z -- Impedance (radar)

ZD -- Zone Description

Zebra -- "Z" in the phonetic alphabet, replacing the obsolete "Zed"

Zed -- "Z" in the phonetic alphabet, now obsolete and replaced by "Zebra"

ZedRon -- Blimp Squadron (later separated into Blimp-Ron and Blimp-Hedron)

ZF -- Free balloon

Z/F -- Zone of Fire (Army)

ZG -- Canal Zone to Guantanamo (routing designation)

Z-Hour -- Hour set for attack

ZK -- Barrage balloon

ZKN -- Training balloon

ZKO -- observation balloon

ZMC -- Experimental metal-clad airship

ZN -- First two letters in the Navy aircraft designation, indicating an airship (non-rigid)

ZNH -- Navy airship, air-sea rescue

ZNJ -- Navy airship, utility

ZNN -- Non-rigid training airship

ZNN-G -- Two-engine Navy training and utility airship manufactured by Goodyear

ZNN-K -- Two-engine Navy training and utility airship manufactured by Goodyear

ZNN-L -- Two-engine Navy training airship, manufactured by Goodyear

ZNO -- Non-rigid observation airship

ZNP -- Non-rigid patrol airship

ZNP-K -- Two-engine Navy patrol and escort airship manufactured by Goodyear

ZNP-M -- Two-engine Navy patrol and escort airship manufactured by Goodyear

ZNS -- Non-rigid scouting airship

ZofC -- Zones of Communications

ZofI -- Zone of Interior (Army)

ZPG -- Airship Group

ZPRon -- Navy Patrol (lighter-than-air) Squadron

ZRN -- Rigid training airship

ZRP -- Rigid patrol airship

ZRS -- Rigid scouting airship

ZT -- Zone Time

ZTO -- Zone Transportation Office (Army)

ZutRon -- Airship Utility Squadron