SOUTH CHINA SEA (May 11, 2021) Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Curtis Wilbur (DDG 54) prepare the ship to take on fuel during a replenishment-at-sea with the Henry J. Kaiser-class fleet replenishment oiler USNS Big Horn (T-AO 198), May 11, 2021. Curtis Wilbur is assigned to Commander, Task Force 71/Destroyer Squadron (DESRON) 15, the Navy’s largest forward DESRON and the U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 3rd Class Zenaida Roth)