The Henry J. Kaiser-class fleet replenishment oiler USNS Walter S. Diehl (T-AO-193) sails alongside the amphibious assault ship USS Peleliu (LHA 5) during a replenishment at sea. Peleliu is the flagship of the Peleliu Amphibious Ready Group, with the embarked 15th Marine Expeditionary Unit, and is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class Shawnte Bryan/Released)