High Quality Content by WIKIPEDIA articles! USS R-10 (SS-87) was an R-class coastal and harbor defense submarine of the United States Navy. Her keel was laid down on 21 March 1918 by the Fore River Shipbuilding Company in Quincy, Massachusetts. She was launched 28 June 1919 sponsored by Mrs. Philip C. Ransom, and commissioned on 20 August 1919, Lieutenant Commander John A. Brownell in command.