180206-N-UB406-0360 ATLANTIC OCEAN (Feb. 06, 2018) The aircraft carrier Harry S. Truman (CVN 75) pulls alongside the fast combat support ship USNS Arctic (T-AOE) to conduct a replenishment-at-sea. Truman is underway as part of 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 HSTCSG for deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Cameron M. Stoner/Released)