schwere Flak-Abteilung 404 (o)

Formed 26 Aug 1939 in Munstter from parts of II./Flak-Regiment 4, with 1. - 5. Batterien (1. - 3. schwere, 4. - 5. leichte). Until Jul 1942 known as Res.Flak-Abt. 404.

Reorganised as a schwere Abteilung in mid-42:

4./Res.404 became 3./837, and was reformed from Luftwaffen-Sperrfeuer-Batterie 164
5./Res.404 became 4./837

Service:

• Jun 1940/Sep 1942 in Düsseldorf
• 1 Nov 1943 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Jan 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Feb 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Mar 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Apr 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 May 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Jun 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Jul 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Aug 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Sep 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Oct 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Nov 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)
• 1 Dec 1944 in Düsseldorf under 4. Flak-Division (Stab/Flak-Regiment 24)