Wolfpacks U-645 was part of
U-645 operated with the following Wolfpacks during its career:
Without name (5 May 1943 - 10 May 1943)
Isar (10 May 1943 - 15 May 1943)
Donau 1 (15 May 1943 - 26 May 1943)
Leuthen (15 Sep 1943 - 24 Sep 1943)
Rossbach (24 Sep 1943 - 9 Oct 1943)
Coronel 2 (13 Dec 1943 - 14 Dec 1943)
Coronel 3 (14 Dec 1943 - 17 Dec 1943)
Borkum (18 Dec 1943 - 24 Dec 1943)