Wolfpacks U-657 was part of
U-657 operated with the following Wolfpacks during its career:
Naseweis (31 Mar 1942 - 10 Apr 1942)
Eisteufel (21 Jun 1942 - 8 Jul 1942)
Nebelkönig (27 Jul 1942 - 14 Aug 1942)
Nordwind (24 Jan 1943 - 4 Feb 1943)
Iller (12 May 1943 - 15 May 1943)
Donau 1 (15 May 1943 - 17 May 1943)