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ICE CAMP NAUTILUS (March 18, 2014) The Los Angeles-class attack submarine USS Hampton (SSN 767) surfaces through the ice at Ice Camp Nautilus, located on a sheet of ice adrift on the Arctic Ocean, during Ice Exercise (ICEX) 2014. ICEX 2014 is a U.S. Navy exercise highlighting submarine capabilities in an arctic environment. (U.S. Navy photo courtesy of Lockheed Martin by Dr. Amy Sun/Released)