160220-N-KR961-370 PACIFIC OCEAN (Feb. 20, 2016) A landing craft utility, assigned to Assault Craft Unit 1, enters the well deck of amphibious assault ship USS Boxer (LHD 4). More than 4,500 Sailors and Marines from Boxer Amphibious Ready Group and the 13th Marine Expeditionary Unit (13th MEU) are conducting sustainment training off the coast of Hawaii in preparation for entering the U.S. 5th and 7th Fleet areas of operations. (U. S. Navy photo by Mass Communication Specialist 2nd Class Debra Daco/Released)