Nuclear submarine nuclear-powered submarine was first proposed in the United States Navy by the Naval Research Laboratory's Ross Gunn in 1939. Construction of the world's first nuclear powered submarine was made possible by the successful development of a nuclear propulsion plant by a group of scientists and engineers at the Naval Reactors Branch of the Bureau of Ships and the Atomic Energy Commission. In July 1951 the U.S. Congress authorized construction of the first nuclear-powered submarine, "Nautilus", under the leadership of Captain Hyman G. Rickover, USN (sharing names with Captain Nemo's fictional submarine in Jules Verne's "Twenty Thousand Leagues Under the Sea",
Jules Verne Trophy the moon as companions and time keepers. The sculpture is placed on a cast aluminium base, on which the names of the sailors having won the Trophy are engraved. The Musée national de la Marine in Paris hosts and maintains the Trophy. Each winner receives a miniature of the Trophy, magnetized like the original one. When a record is broken, an official ceremony is held for the previous record holders to hand over the trophy to the new record holders, who are given the hull and must place it in its magnetic field mooring. Jules Verne Trophy The Jules Verne