160221-N-KR961-063 PACIFIC OCEAN (Feb. 21, 2016) Marines, assigned to 13th Marine Expeditionary Unit (13th MEU), pull lines to connect amphibious assault ship USS Boxer (LHD 4) to fleet replenishment oiler USNS Henry J. Kaiser (T-AO 187) during a replenishment-at-sea. 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)