Seven "O" type submarines in drydock, circa 1919.
USS O-1 (Submarine # 62) is in the foreground. USS O-3 (submarine # 64) is next astern, to left. USS O-10 (Submarine # 71) is the most distant, in the right center.
Outside the drydock (center background) are three destroyers, one of which is USS Terry (Destroyer # 25), and USS Asheville (Gunboat # 21), which is under construction.
The drydock is in the process of being filled.
U.S. Naval Historical Center Photograph.