High Quality Content by WIKIPEDIA articles! USS L-10 (SS-50) was an L-class submarine of the United States Navy. Her keel was laid down on 17 February 1915 by Fore River Shipbuilding Company of Quincy, Massachusetts. She was launched on 16 March 1916 sponsored by Miss Catherine Rush, and commissioned on 2 August 1916 with Lieutenant (junior grade) J. C. Van de Carr in command.