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",
Arctic exploration of his sea plane, during the rescue operations. The first people to have without doubt walked on the North Pole were the Soviet party of 1948 under the command of Alexander Kuznetsov, who landed their aircraft nearby and walked to the pole. On August 3, 1958, the American submarine reached the North Pole without surfacing. It then proceeded to travel under the entire Polar ice cap. On March 17, 1959 the surfaced on the North Pole and dispersed the ashes of explorer Sir Hubert Wilkins. These journeys were part of military explorations stimulated by the Cold War context. On April