Wolfpacks U-315 was part of
U-315 operated with the following Wolfpacks during its career:
Hartmut (23 Feb 1944 - 28 Feb 1944)
Boreas (28 Feb 1944 - 7 Mar 1944)
Blitz (24 Mar 1944 - 5 Apr 1944)
Donner (5 Apr 1944 - 9 Apr 1944)
Keil (19 Apr 1944 - 20 Apr 1944)
Donner & Keil (20 Apr 1944 - 3 May 1944)
Trutz (3 May 1944 - 13 May 1944)
Grimm (31 May 1944 - 6 Jun 1944)
Trutz (6 Jun 1944 - 28 Jun 1944)
Zorn (29 Sep 1944 - 1 Oct 1944)
Grimm (1 Oct 1944 - 2 Oct 1944)
Panther (16 Oct 1944 - 6 Nov 1944)
Stier (29 Nov 1944 - 4 Dec 1944)