160504-N-KR961-010 GULF OF ADEN (May 4, 2016) A Phalanx Close-In Weapons System (CIWS) fires during a live-fire exercise on board amphibious assault ship USS Boxer (LHD 4). 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 security cooperation efforts in the U.S. 5th Fleet area of operations. (U. S. Navy photo by Mass Communication Specialist 2nd Class Debra Daco/Released)