170415-N-UM507-0051 PACIFIC OCEAN (April 15, 2017)Sailors participate in an Easter service in the chapel of the aircraft carrier USS Nimitz (CVN 68), while underway April 15, 2017 in the Pacific Ocean. Nimitz is underway conducting composite training unit exercise (COMPTUEX) with the Nimitz Carrier Strike Group in preparation for an upcoming deployment. COMPTUEX tests a carrier strike group's mission-readiness and ability to perform as an integrated unit through simulated real-world scenarios. (U.S. Navy photo by Mass Communication Specialist 3rd Class Weston Mohr/Released)