170404-N-XL056-013 PACIFIC OCEAN (April 4, 2017) Deputy Secretary of Defense Robert Work receives honors from sideboys as he arrives aboard the aircraft carrier USS Nimitz (CVN 68). Nimitz is underway conducting a 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 Seaman Leon Wong/Released)