Wolfpacks U-135 was part of
U-135 operated with the following Wolfpacks during its career:
Ziethen (6 Jan 1942 - 20 Jan 1942)
Westwall (2 Mar 1942 - 12 Mar 1942)
York (12 Mar 1942 - 25 Mar 1942)
Pfadfinder (21 May 1942 - 27 May 1942)
Lohs (17 Aug 1942 - 20 Sep 1942)
Panzer (23 Nov 1942 - 11 Dec 1942)
Raufbold (11 Dec 1942 - 19 Dec 1942)
Pfeil (3 Feb 1943 - 8 Feb 1943)
Neptun (18 Feb 1943 - 28 Feb 1943)
Trutz 2 (22 Jun 1943 - 29 Jun 1943)