ARCTIC OCEAN (July 1, 2008) The fast attack submarine USS Providence (SSN 719) is moored at the North Pole in the Arctic Ocean to commemorate the 50th anniversary of the first submarine polar transit completed by the USS Nautilus (SSN 571) in 1958. Providence is en route to the U.S. 7th Fleet area of responsibility from its homeport in Groton Conn. (U.S. Navy photo by Yoeman 1st Class J. Thompson/Released)