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,
USOS Seaview , commissioned in 1954, was the first nuclear-powered ship of any kind. In August 1958, she steamed under the Arctic ice cap to make the first crossing from the Pacific to the Atlantic via the North Pole. On 3 August 1958 she became the first ship to reach the North Pole. On 17 March 1959, the nuclear submarine became the first submarine to surface at the North Pole. While at the Pole, her crew scattered the ashes of Arctic explorer Sir Hubert Wilkins. The film "Voyage to the Bottom of the Sea" begins with "Seaview" in the Arctic on the