171019-N-NG136-001 ATLANTIC OCEAN (Oct. 17, 2017) Hull Maintenance Technician 2nd Class Sean Davis cuts a sheet of metal aboard the aircraft carrier USS George H.W. Bush (CVN 77). The George H.W. Bush Carrier Strike Group is underway completing sustainment requirements as part of exercise Bold Alligator 17. (U.S. Navy photo by Mass Communication Specialist Seaman Zachary P. Wickline/Released)