180210-N-PE636-078 ATLANTIC OCEAN (Feb. 10, 2018) Aviation Boatswain's Mate (Equipment) 1st Class Victor Salinas,, right, and Aviation Boatswain's Mate (Equipment) 3rd Class Erica Blue participate in flight operations from a catwalk aboard the aircraft carrier 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 2nd Class/Released)