171017-N-AJ467-040 ATLANTIC OCEAN (Oct. 17, 2017) Tugboats escort the aircraft carrier USS George H.W. Bush (CVN 77) to sea as the ship departs Naval Station Norfolk. The George H.W. Bush Carrier Strike Group is underway completing sustainment requirements during exercise Bold Alligator 17. (U.S. Navy photo by Mass Communication Specialist Seaman Darien Weigel/Released)