200519-N-KO930-1057 PACIFIC OCEAN (May 19, 2020) The fleet replenishment oiler USNS Henry J. Kaiser (T-AO 187) as seen from the flight deck of the aircraft carrier USS Nimitz (CVN 68) during a replenishment-at-sea. 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 CSG, 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 Olivia Banmally Nichols/Released)