151103-N-KR961-591 PACIFIC OCEAN (Nov. 3, 2015) Marines, assigned to 13th Marine Expeditionary Unit (MEU), board a Landing Craft Air Cushion in the well deck of amphibious assault ship USS Boxer (LHD 4) in preparation for a simulated beach assault. Boxer Amphibious Ready Group (ARG), composed of Boxer, amphibious transport dock ship USS New Orleans (LPD 18), dock landing ship USS Harpers Ferry (LSD 49) and the 13th MEU, is conducting a Composite Training Unit Exercise (COMPTUEX) to test their ability to effectively respond to scenario driven events and perform as an integrated unit in preparation for deployment. (U. S. Navy photo by Mass Communication Specialist 2nd Class Debra Daco/Released)