171021-N-ME396-012 NORFOLK (Oct. 21, 2017) Sailors celebrate Roman Catholic Mass 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 Tristan B. Lotz/Released)