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U.S. Marine Corps photo by Lance Cpl. John M. Raufmann/Released 100825-M-6323R-012.jpg
Aug 25, 2010
Staff Sergeant Gary Beals, second from left, chemical, biological, radiological and nuclear defense instructor and Metaric, La., native with the 22nd Marine Expeditionary Unit, explains how to attach the new M-50 gas mask during a CBRN class aboard Camp Lejeune, N.C., Aug. 25, 2010. The MEU was the first major subordinate command in the Marine Corps on the east coast to receive the new M-50 gas mask for training. The annual training is designed to instill confidence in the mask and ensure the Marines know the proper procedures in the event of a CBRN attack.
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