Allan Rockwell McCann was in charge of the development of a submarine rescue chamber, which bears his name, "The McCann Submarine Rescue Chamber". Additionally he was assigned as Liaison Officer / Engineer when the submarine was converted for use in the under ice attempt to circumnavigate the Arctic Ice cap and voyage to the North Pole. Modifications to the submarine were extensive, and contained innovations of a telescoping conning tower, an ice drill, an incorporated diving bell and an Air Lock, designed by Simon Lake. The submarine was designated "Nautilus" and leased for one dollar to Lake and Danenhower, Inc., of Bridgeport, Connecticut,
North Pole-2 North Pole-2 North Pole-2 () was the Soviet manned drifting station. It was established on April 2, 1950 and drifted for about a year between the Bering Strait and the North Pole. It was closed on April 11, 1951, after the piece of ice it was based on broke into two. The commander of the station was Mikhail Somov, who was made the Hero of the Soviet Union for his role in the expedition. North Pole-2 became the first Soviet manned drifting station after North Pole-1 launched in 1937, and established a series of polar expeditions. The station was manned