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,
Submarine Voyage in the hold of a Venetian galley. Nearby, deep-sea divers work to carry other treasures to the surface. Sonar detects a polar ice cap ahead, and the diving officer takes the ship deeper in order to clear the ice. The submarine travels directly beneath the North Pole. This is a recreation of the historic voyage of when it left Hawaii on July 22, 1958 and set its course for the North Pole. After passing beyond the polar region, the submarine journeys to deeper waters where sunlight has never penetrated. Strange creatures can be sighted, including a giant squid and creatures