200512-N-FQ453-1051 PACIFIC OCEAN (May 12, 2020) An MH-60S Sea Hawk, from to the "Screamin' Indians" of Helicopter Sea Combat Squadron (HSC) 6, conducts a vertical replenishment-at-sea with the fleet replenishment oiler USNS Henry J. Kaiser (T-AO 187) and the aircraft carrier USS Nimitz (CVN 68). The Nimitz Carrier Strike Group is underway conducting a composite unit training 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)