High Quality Content by WIKIPEDIA articles! USS N-4 (SS-56) was a N-class coastal defense submarine of the United States Navy. Her keel was laid down on 24 March 1915 by Lake Torpedo Boat Company in Bridgeport, Connecticut. The 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. N-4 was launched on 27 November 1916 sponsored by Miss Dorothy H. Elliott, and commissioned at New York Navy Yard on 15 June 1918 with Lieutenant J. R. Mann, Jr., in command.

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