160429-N-VS214-214 GULF OF ADEN (April 29, 2016) The amphibious assault ship USS Boxer (LHD 4) performs an underway replenishment with the Military Sealift Command ship USNS Joshua Humphreys (T-AO-188). Harpers Ferry is part of the Boxer Amphibious Ready Group and, with the embarked 13th Marine Expeditionary Unit, is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Zachary Eshleman/Released)