M7 A3 riot control CS gas was used during a field gas event conducted as part of Marine Wing Support Squadron (MWSS) 274's Air Base Ground Defense (ABGD) Field Exercise held at Marine Corps Auxiliary Landing Field Bogue, N.C., on March 1, 2015. MWSS-274 conducted the squadron level training in order to exercise core mission tasks and refine ABGD Standard Operating Procedures. (U.S. Marine Corps photo by Sgt. Orlando Perez/Released)
Sgt. Orlando Perez
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