Photographed from or near the battleship Scharnhorst circa late 1939 or early 1940. The original caption states that this submarine was returning to Kiel, Germany, from a war patrol. Note insignia on the conning tower, which looks very much like U-47's Bull of Scapa Flow emblem. Copied from the contemporary German photo album Meine Kriegserinnerungen auf Schlachtschiff Scharnhorst, page 19. U.S. Naval History and Heritage Command Photograph.