171219-N-BK384-161 U.S. 5TH FLEET AREA OF OPERATIONS (Dec. 19, 2017) Sailors aboard the amphibious transport dock ship USS San Diego (LPD 22) participate in a replenishment-at-sea. San Diego, with the embarked 15th Marine Expeditionary Unit, is deployed to 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 Mass Communication Specialist 3rd Class Justin A. Schoenberger/Released)