180216-N-GC347-128 ATLANTIC OCEAN (Feb. 16, 2018) The aircraft carrier USS Harry S. Truman (CVN 75) and ships assigned to the Harry S. Truman Carrier Strike Group (HSTCSG) transit the Atlantic Ocean while conducting composite training unit exercise (COMPTUEX). Truman is underway for COMPTUEX, which evaluates the strike group's ability as a whole to carry out sustained combat operations from the sea, ultimately certifying the Harry S. Truman Carrier Strike Group for deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Scott Swofford/Released)