161128-N-YL257-018 ATLANTIC OCEAN (Nov. 28, 2016) Sailors perform maintenance on a catapult aboard the aircraft carrier USS George H.W. Bush (CVN 77). GHWB is underway conducting a Composite Training Unit Exercise (COMPTUEX) with the George H.W. Bush Carrier Strike Group in preparation for an upcoming deployment. (U.S. Navy photo by Petty Officer 3rd Class Christopher Gaines/Released)