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,
Old Pulteney Row To The Pole into the bay by storms. At this point the boat's unique design as a sledge-boat enabled them to haul the boat from the water and manually pull it across the ice on the final 2–3 miles to the Pole. This boat-hauling exercise took the crew 10 hours to complete. They arrived at the Pole position on 26 August 2011. Jock Wishart announced the success saying "There is now a row boat at the '96 Mag. North Pole". On BBC Radio 4's Today programme as "an incredible journey that will go down in the history books. It's a true global first