U-67 commanded by Günther Müller-Stöckheim, back from their 5th patrol of 81 days at sea, having sunk 6 ships and  damaged 2 ships, for a total of 44,862 GTR, Lorient France, August 8th, 1942.
(Bundesarchiv Bild 101II-MW-4429-09)

U-67 

U-boat crewman on the look out for a convoy our a single ship, Atlantic, July 1942.(Bundesarchiv Bild 146-1997-017-02)

Looking for a Convoy

U-123 (Reinhard Hardegen) departing for his 2nd patrol, and U-201 (Adalbert Schnee) departing for his 7th patrol, June 8, 1941, Lorient, France.
( Bundesarchiv Bild 101II-MW-4260-37)