Breathe in, breathe out
SEYMOUR JOHNSON AIR FORCE BASE, N.C. -- Staff Sgt. Christopher Hester explains how the M-50 Joint Service General Purpose Mask works May 19, 2010. The 4th Logistics Readiness Squadron received a shipment of the new masks a month ago which are now being issued to more than 3,200 Airmen here. Sergeant Hester, 4th Civil Engineer Squadron emergency management technician, hails from Montgomery, Ala. (U.S. Air Force photo/Senior Airman Gino Reyes)
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