190417-N-SG189-1538 ATLANTIC OCEAN (April 17, 2019) Ensign Evan Martin fires an M4 rifle during a low-light shoot on the flight deck aboard the Arleigh Burke-class guided-missile destroyer USS Jason Dunham (DDG 109). Jason Dunham is operating in the Atlantic Ocean during a scheduled underway. (U.S. Navy photo by Mass Communication Specialist 3rd Class J. Keith Wilson/Released)