170721-N-RO749-0023 U.S. 5TH FLEET AREA OF OPERATIONS (July 21, 2017) The fleet replenishment oiler USNS Walter S. Diehl (T-AO 193) conducts a replenishment-at-sea with the amphibious dock landing ship USS Carter Hall (LSD 50). Bataan and its ready group are deployed in the U.S. 5th Fleet area of operations in support of maritime security operations to reassure allies and partners, and preserve the freedom of navigation and the free flow of commerce in the region. (U.S. Navy photo by Seaman Kai Vincent/Released)