171027-N-NG136-200 ATLANTIC OCEAN (Oct. 27, 2017) Aviation Boatswain's Mate (Handling) Airman Michael Crum demonstrates ground work during force protection training 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, North Atlantic Treaty Organization (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 Seaman Zachary P. Wickline/Released)