SOUTH CHINA SEA (May 23, 2021) The Henry J. Kaiser-class fleet replenishment oiler USNS Big Horn (T-AO 198) steams ahead of the Arleigh Burke-class guided-missile destroyer USS Curtis Wilbur (DDG 54) in preparation for a replenishment-at-sea, May 23, 2021. Curtis Wilbur is assigned to Commander, Task Force 71/Destroyer Squadron (DESRON) 15, the Navy’s largest forward-deployed DESRON and U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 3rd Class Zenaida Roth)