Marines put on gas masks during a simulated chemical attack March 13 during Dragon Fire Exercise 15-2 at Pohakuloa Training Area, Hawaii. The Marines then move to a decontamination sight before setting up their combat operation center in a safe location. The Marines are with Headquarters Battery, 12th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Lance Cpl. William Hester/ Released)
Lance Cpl. William Hester
2015-03-13
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