160218-N-GV721-047 PACIFIC OCEAN (Feb. 18, 2016) Gunner’s Mate Seaman Michael Scott fires a MK-38 MOD II 25MM machine gun during a live fire exercise on board 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 transiting the Pacific Ocean en route to the U.S. 5th and 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Brian Caracci/Released)