160516-N-TO519-127 ATLANTIC OCEAN (May 16, 2016) An MK 38 - 25mm machine gun system fires during a live fire exercise aboard the amphibious assault ship USS Wasp (LHD 1). Wasp is underway with the Wasp Amphibious Ready Group participating in composite unit training exercise. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nathan Wilkes/Released)