In July and August, Nautilus conducted rigorous exercises with hunter-killer (HUK) groups in Narragansett Bay and off Bermuda. She remained submerged while enroute to Puerto Rico, covering 1,381 miles in 89.8 hours, the longest submerged cruise, to that date, by a submarine, and at the highest sustained submerged speed ever recorded for a period of over one hours duration. After preliminary acceptance by the Navy on 22 April, the submarine headed south for shakedown on 10 May. Rickover, Assistant Chief to the Bureau of Ships for Nuclear Propulsion. Then, at 1100, her lines were cast off and she was underway on nuclear power. Sea trials followed, including an overnight dive on 21-22 March with the Joint Congressional Committee on Atomic Energy in the wardroom for a hearing with Rear Admiral Hyman G. Wilkinson in command.įollowing commissioning Nautilus remained at dockside for further construction and testing until 17 January 1955. Eisenhower, wife of President Eisenhower, and commissioned 30 September 1954, Comdr. Truman officiating, at the Electric Boat Co., Division of General Dynamics Corp., Groton, Connecticut launched 21 January 1954 sponsored by Mrs. The fourth Nautilus, the first nuclear powered submarine, was laid down 14 June 1952, President Harry S. A Greek derivative meaning sailor or ship a tropical mollusk having a many chambered, spiral shell with a pearly interior and the namesake of Jules Verne's submersible in his novel 20,000 Leagues Under the Sea.

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