High Quality Content by WIKIPEDIA articles! USS O-7 (SS-68), an O-class submarine, of the United States Navy. Her keel was laid down on 14 February 1917 by the Fore River Shipbuilding Company in Quincy, Massachusetts. She was launched on 16 December 1917 sponsored by Mrs. Constance Sears, and commissioned on 4 July 1918 with Lieutenant Commander F. C. Sherman, in command.