schwere Flak-Abteilung 644 (o)

Formed 26 Aug 1939 in Duisburg from Flak-Stamm-Bttr. Duisburg, with 1. - 5. Batterien (1. - 3. schwere, 4. - 5. schwere). Until Jul 1942 known as Res.Flak-Abt. 644.

Reorganised as a schwere Abteilung in 1942:

4./Res.644 became 1./739, and was reformed from Luftwaffen-Sperrfeuer-Batterie 161
5./Res.644 became 2./739

Destroyed May 1943 in Tunisia.

Reformed Jul 1943 in Bruck/Mur with 4 Batterien.

In Jun 1944 part of the Abteilung became Stab, 1.-4./Flak-Abteilung 12900 (mot.) and moved to Normandy.

Reorganised as a gemsichte Flak-Abteilung in Sep 1944.

Service:

• 1939 in Luftgau VI
• Jul 1942/Oct 1942 at Osnabruck
• Dec 1942 at Palermo and Bizerta
• Jan 1943 in Tunis
• Apr 1943 in Medjez el Bab
• 1943 known as Flakuntergruppe Hafen
• 1 Nov 1943 in Bruck/Mur under 16. Flak-Brigade (Stab/Flak-Regiment 76)
• 1 Jan 1944 in Bruck/Mur under 24. Flak-Division (Stab/Flak-Regiment 76)
• 1 Feb 1944 in Bruck/Mur under 24. Flak-Division (Stab/Flak-Regiment 76)
• 1 Mar 1944 in Bruck/Mur under 24. Flak-Division (Stab/Flak-Regiment 76)
• 1 Apr 1944 in Bruck/Mur under 24. Flak-Division (Stab/Flak-Regiment 76)
• 1 May 1944 in Pilsen under 24. Flak-Division (Stab/Flak-Regiment 184)
• 1 Jun 1944 in Pilsen under 24. Flak-Division (Stab/Flak-Regiment 184)
• 1 Jul 1944 in Pilsen under 24. Flak-Division (Stab/Flak-Regiment 184)
• 1 Aug 1944 in Konigsberg under 11. Flak-Brigade (Stab/Flak-Regiment 81)
• 1 Sep 1944 under 18. Flak-Division (Stab/Flak-Regiment 34)
• 1 Oct 1944 under 18. Flak-Division (Stab/Flak-Regiment 34) [now as gem.644]
• 1 Nov 1944 under 18. Flak-Division (Stab/Flak-Regiment 136)
• 1944 in Tilsit
• 1 Dec 1944 under 18. Flak-Division (Stab/Flak-Regiment 34)
• 1945 in Pillau