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 ATV final docking procedure was guided by the videometer, which fired laser pulses at cube-shaped reflectors on the "Zvezda" module, and the telegoniometer, which functioned like a radar system. The ISS crew could have aborted the docking at any point up until the ATV was one metre from the station (this was known as the CHOP or Crew Hands-Off Point); however, this did not prove necessary. "Jules Verne" successfully docked with the ISS on 3 April 2008 at 14:45 UTC. During Demo-Day 1, the ATV's first rendezvous with the ISS was conducted. The manoeuvre culminated in a successful rendezvous with the