PHILIPPINE SEA (Sept. 8, 2020) The Henry J. Kaiser-class underway replenishment oiler USNS Pecos (T-AO-197), and Arleigh Burke-class guided missile destroyer USS Halsey (DDG 97) during a replenishment-at-sea (RAS). Halsey is underway conducting operations in support of security and stability in the Indo-Pacific while assigned to Destroyer Squadron (DESRON) 15, the Navy's largest forward-deployed DESRON and the U.S. 7th Fleet's principal surface force (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Langholf)