190415-N-HV059-1007 ATLANTIC OCEAN (April 15, 2019) Ensign Evan Martin practices plotting during repair locker training on the mess decks of 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 2nd Class Sonja Wickard/Released)