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",
American Sail Training Association The Tall Ships' Races in Europe in 1972 where he joined the USCGC "Eagle" with his brigantine "Black Pearl" as the first US vessels to participate in the races. A 501(c)(3) nonprofit organization, Tall Ships America's mission is to encourage character building through sail training, promote sail training to the North American public, and support education under sail. Tall Ships America organizes the TALL SHIPS CHALLENGE Series, a series of sail training races, rallies and maritime festivals that rotate every three years around the Atlantic, Pacific and Great Lakes Coasts of North America. In 2016, the TALL SHIPS CHALLENGE series