In February 1944 an underground factory at Immenstaad near Friedrichshafen was suspected to be a synthetic oil and/or liquid oxygen plant.[1][2]
Near Überlingen,[2]forced labor of concentration camp prisoners in the Goldbach tunnels,[2] KZ Nebenlager Raderach[3] and the Aufkirch subcamp of Dachau concentration camp was used for constructing an underground facility for armament manufacturing (code name "Magnesit"[2]) safe from Allied air raids.
Operation Bellicose targeted suspected Würzburg radar production at Friedrichshafen.[5] (In early June, a CIU photo interpreter (Claude Wavell) had identified a stack of ribbed baskets--Würzburg radar reflectors—at the Zeppelin Works, Winston Churchill had reviewed the photos on June 14, and No. 5 Group RAF received attack orders on June 16.)[6] The bombing hit the Zeppelin Works' V-2 production which had only produced a few V-2 tanks and fuselage sections by 20 June.[7]: 143
1944-04-2727-28 April 1944
ZF Friedrichshafen
A night attack by 322 heavy bombers damaged several factories and destroyed the factory producing tank gearboxes. 1,234 tons of bombs were dropped causing (an estimated) 67 percent of the town's built-up area to be destroyed.[8]
Oberraderach (primary target) and the Zahnradfabrik secondary target were bombed.[10][11] As early as 20 September 1942 Albert Speer had warned Hitler of the critical importance of Friedrichshafen tank plants and Schweinfurt ball-bearing plants.[12]
Mission 847: 377 B-17s are sent to hit the Maybach tank factory at Friedrichshafen (63) using Gee-H.[13]Maybach Motorenbau (Friedrichshafen) and Norddeutsche Motorenbau (Berlin) produced nearly all tank engines.[14]
References
Notes
^"Minutes of Meeting No. 45/6"(PDF). Enemy Oil Intelligence Committee. February 6, 1945. Archived from the original(pdf: document starts – p 19) on 2008-08-21. Retrieved 2009-03-22.
^Williamson, Charles C.; Hughes, Richard D.; Cabell, C. P.; Nazarro, J. J.; Bender, F. P.; Crigglesworth, W. J. (5 March 1944). "Plan for Completion of Combined Bomber Offensive". {{cite journal}}: Cite journal requires |journal= (help)