720 Naval Reactors History Database (subject=USS Seadragon (SSN-584);subject-join=exact;smode=simple;brand=default);subject-join%3Dexact;smode%3Dsimple;brand%3Ddefault Results for your query: subject=USS Seadragon (SSN-584);subject-join=exact;smode=simple;brand=default Mon, 01 Jan 1962 12:00:00 GMT Submarines Seadragon and Skate rendezvous at the North Pole. The submarines USS Skate, the third nuclear-powered submarine, and the USS Seadragon (in the foreground) surfaced at the North Pole on August 2, 1962. The two subs rendezvoused under the ice north of the Soviet Union on July 31, and then conducted joint operations prior to surfacing together at the North Pole. The Skate was powered by the S3W plant, the Seadragon by the S4W, both of which included advances in plant design and arrangement in comparison with the Nautilus' S2W plant. Thu, 02 Aug 1962 12:00:00 GMT