gemischte Flak-Abteilung 123 (T)

Formed 26 Aug 1939 in Berlin-Lankwitz from parts of I./Flak-Regiment 12, with 1. - 5. Batterien (1. - 3. schwere and 4. - 5. leichte). Until Jul 1941 known as Reserve-Flak-Abteilung 123, until Jul 1942 as Reserve-Turmflak-Abteilung 123, and until Sep 1943 as Turmflak-Abteilung 123.

In 1940 1./Res.123 became 3./604, and was reformed.

In Jan 1941 redesignated II./Flak-Regiment 12.

Reformed Jan 1941 in Berlin with 1. - 5. Batterien (1. - 3. schwere and 4. - 5. leichte).

In Jul 1941 redesignated I./Flak-Regiment 42 with :

Stab/Res.123 became Stab I./Flak-Regiment 42
1./Res.123 became 1./517
2./Res.123 became 2./Flak-Regiment 42
3./Res.123 became 3./Flak-Regiment 42
4./Res.123 became 4./517
5./Res.123 became 5./517

Reformed Aug 1941(?) in Berlin, now as Reserve-Turmflak-Abteilung 123, with 1. - 6. Batterien.

In late 1941 2./Res.Turm 123 and 2./335 exchanged designations. Reduced to 3 Batterien in mid-1944:

1./gem.123 was disbanded, and was reformed from 4./gem.123
3./gem.123 was disbanded, and was reformed from 6./gem.123
5./gem.123 was disbanded

In Sep 1943 redesignated gemischte Flak-Abteilung 123 (T).

Service:

• 1939/45 in Berlin
• 1 Nov 1943 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 Jan 1944 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 Feb 1944 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 Mar 1944 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 Apr 1944 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 May 1944 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 Jun 1944 under 1. Flak-Division (Stab/Flak-Regiment 172)
• 1 Jul 1944 under 1. Flak-Division (Stab/Flak-Regiment 126)
• 1 Aug 1944 under 1. Flak-Division (Stab/Flak-Regiment 126)
• 1 Sep 1944 under 1. Flak-Division (Stab/Flak-Regiment 126)
• 1 Oct 1944 under 1. Flak-Division (Stab/Flak-Regiment 126)
• 1 Nov 1944 under 1. Flak-Division (Stab/Flak-Regiment 126)
• 1 Dec 1944 under 1. Flak-Division (Stab/Flak-Regiment 126)