Submarines at Olongapo Naval Station, Philippines
Crewmen posing with a 4/50 deck gun on board a S-Type submarine, March 1929, with another 4/50 in the foreground. These submarines are probably USS S-30 (SS-135) and USS S-31 (SS-136). Behind them are (from front to rear): USS S-35 (SS-140); USS S-33 (SS-138); USS S-32 (SS-137); and USS S-34 (SS-139). Photographed from USS Beaver (AS-5). In the background is USS Pittsburgh (CA-4), in the Dewey drydock. U.S. Naval History and Heritage Command Photograph.