160301-N-YG354-121 PACIFIC OCEAN (March 2, 2016) Lt. Larry Gunter records a patient timeline as Sailors assigned to the amphibious assault ship USS Boxer (LHD 4) and Fleet Surgical Team 3 assess a simulated casualty during a mass casualty drill. More than 4,500 Sailors and Marines from Boxer Amphibious Ready Group, 13th Marine Expeditionary Unit (13th MEU) team are currently transiting the Pacific Ocean in the U.S. 7th Fleet area of operations during a scheduled deployment. (U. S. Navy photo by Mass Communication Specialist 1st Class Douglas Bedford/Released)