Photo #: NH 100941 C-class Submarines Alongside USS Charleston (Cruiser # 22) in Panama Canal Zone waters, circa 1916-1917. These submarines are (from left to right): C-5 (Submarine # 16); C-2 (Submarine # 13); and C-3 (Submarine # 14). Photographed by Pickard & Zell. Note the small rowboat, and Sailors washing clothing on the float between the cruiser and the submarines. Courtesy of Carter Rila, 1986. U.S. Naval History and Heritage Command Photograph.