Missing Army Flak Brigades and their 'Drilling'

[Wiedrock]

There were several Army Flak Brigades. They, and their individual Battalions are missing. The Battalions were partially created from other SUs which are also missing. They were created in late 1944/early 1945 and used the 151 Drillings MG/Flak.

The missing Units:
You can find some info on the 507th as one example:
https://www.forum-der-wehrmacht.de/inde ... igade-507/
Here you can see the TOE:

Heeres Flak-Artillerie Brigade_TOE.png (623.64 KiB) Viewed 46 times

And following some timeline/info from G.Tessin's books:

Heeres Flak-Artillerie Brigade_timeline.png (1.1 MiB) Viewed 46 times

Their missing Guns:
And some info on the Drilling:
https://www.forum-der-wehrmacht.de/inde ... helfsflak/
https://www.forum-der-wehrmacht.de/inde ... eadid=5809

Aus Mangel an Flakwaffen wurden auch Flugzeugwaffen zu Flakgeschützen umgebaut, wie das MG 151/20 in der Drillingslafette. Insgesamt wurden 15.000 Stück der 20 mm Maschinenkanone 151 von der Luftwaffe an das Heer abgegeben.
[...]

Für die Heeresflak wurden im Zweiten Weltkrieg bis März 1945 die folgenden Waffen geliefert [...]:
[Table content:] 2-cm-MG 151/20 Drilling ______→ 1944: 3.141 ______→ 1945 973