USS N-7 (SS-59)
 USS N-7 (SS-59) was an N-class coastal defense submarine of the United States Navy. Her keel was laid down on 20 April 1915 by Lake Torpedo Boat Company in Bridgeport Connecticut. N-boats built by Lake had slightly different specifications from the ones built by Seattle Construction and Drydock and are sometimes considered a separate class.She was launched on 19 May 1917 sponsored by Mrs Frank Miller and commissioned on 15 June 1918 with Lieutenant Walter S. Kass in command.