160429-N-YR245-082 GULF OF ADEN (April 29, 2016) Amphibious dock landing ship USS Harpers Ferry (LSD 49) and Military Sealift Command fleet replenishment oiler USNS Joshua Humphreys (T-AO 188) steam alongside amphibious assault ship USS Boxer (LHD 4) during a replenishment-at-sea. Boxer is the flagship for the Boxer Amphibious Ready Group and, with the embarked 13th Marine Expeditionary Unit, is deployed in support of maritime security operations and theater cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist Seaman Craig Z. Rodarte/Released)