151101-N-GR718-024 PACIFIC OCEAN (Nov. 1, 2015) Gunner’s Mate 2nd Class Colton Lewin demonstrates a prone position for firing an M-16 assault rifle during a live fire training exercise onboard amphibious transport dock ship USS New Orleans (LPD 18). Boxer Amphibious Ready Group (ARG), composed of New Orleans, amphibious assault ship USS Boxer (LHD 4), dock landing ship USS Harpers Ferry (LSD 49), and the 13th Marine Expeditionary Unit, 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 Seaman Chelsea D. Daily/Released)