171021-N-OX430-087 ATLANTIC OCEAN (Oct. 21, 2017) Airman Jadaire Ball performs maintenance on the head rotor of an MH-60S Sea Hawk helicopter assigned to Helicopter Sea Combat Squadron (HSC) 9 on the flight deck aboard the aircraft carrier USS George H.W. Bush (CVN 77) during exercise Bold Alligator 2017 (#BA17). Improving Navy-Marine Corps amphibious core competencies along with coalition, NATO, allied and partner nations is a necessary investment in the current and future readiness of our forces. BA17 will take place Oct. 18 - 30, 2017, ashore along the eastern seaboard. (U.S. Navy photo by Mass Communication Specialist 3rd Class Daniel Gaither/Released)