What happened on22 November?
Günther Heydemann(U-575)
- More officers
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U-638 operated with the following Wolfpacks during its career:
Burggraf (26 Feb 1943 - 28 Feb 1943) Wildfang (28 Feb 1943 - 5 Mar 1943) Raubgraf (7 Mar 1943 - 15 Mar 1943) Amsel 1 (3 May 1943 - 5 May 1943)