180214-N-UU859-207 ATLANTIC OCEAN (Feb. 14, 2018) Machinist's Mate 3rd Class Marissa Figueroa operates a sound-powered phone in the hangar bay 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 Jordan Twiss/Released)