170325-N-VR594-028 PACIFIC OCEAN (March 25, 2017) The aircraft carrier USS Nimitz (CVN 68) underway in formation during a straits transit exercise as part of composite training unit exercise (COMPTUEX) with the Nimitz Carrier Strike Group in preparation for an upcoming deployment. COMPTUEX tests the mission readiness of the strike group's assets through simulated real-world scenarios and their ability to perform as an integrated unit. (U.S. Navy photo by Mass Communication Specialist Seaman Kelsey J. Hockenberger/Released)