180214-N-NQ487-113 ATLANTIC OCEAN (Feb. 12, 2018) Sailors participate in a replenishment-at-sea (RAS) with the fast combat support ship USNS Arctic (T-AO) accompanied by the Arleigh Burke-class guided-missile destroyer USS Arleigh Burke (DDG 51) on the flight deck aboard USS Harry S. Truman (CVN 75). Truman is underway for composite training unit exercise (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 3rd Class Kaysee Lohmann/Released)