What happened on23 December?
Gerd Schaar(U-957, U-2551)
- More officers
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U-663 operated with the following Wolfpacks during its career:
Drachen (22 Nov 1942 - 3 Dec 1942) Panzer (3 Dec 1942 - 9 Dec 1942) Büffel (9 Dec 1942 - 14 Dec 1942) Seeteufel (21 Mar 1943 - 30 Mar 1943)