200518-N-FQ453-0246 PACIFIC OCEAN (May 18, 2020) A Sailor participates in flight quarters on the flight deck aboard the aircraft carrier USS Nimitz (CVN 68). The Nimitz Carrier Strike Group (CSG) is underway conducting a composite training unit exercise (COMPTUEX). COMPTUEX is an intensive exercise designed to fully integrate units of the carrier strike group, while testing a strike group's ability as a whole to carry out sustained combat operations from the sea. (U.S. Navy photo by Mass Communication Specialist 3rd Class Dalton Reidhead/Released)