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 (train) on weekdays only. Starting in autumn 1983 the westbound train ran as a TEE on Mondays through Thursdays only and was replaced by a two-class "Rapide" on Fridays. Initially, "Jules Verne" was usually hauled by one of SNCF's diesel-electric locomotives. This class was later replaced by SNCF dual voltage, Class BB 22200 electric locomotives. Prior to that change, made in autumn 1983, the "Jules Verne" had been the last train in the TEE network to be regularly diesel-hauled. However, Belgian diesel locomotives continued to be used occasionally on TEE trains between Brussels and Amsterdam. The train's original formation of rolling