Aviation Boatswain’s Mate Airman Nicholas Ponticelli,from Mayfair, Philadelphia, stands the overboard-discharge watch aboard USS Iwo Jima during a replenishment at sea with the Military Sealift Command fleet replenishment oiler USNS Kanawha Jan. 8, 2015. Iwo Jima, a Wasp-class amphibious assault ship, deployed as part of the Iwo Jima Amphibious Ready Group/24th Marine Expeditionary Unit, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe.