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,
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