Issuing M50 Gas Mask
U.S. Air Force Staff Sgt. Kalynn Helton, left, displays parts of the newly issued M50 gas mask to Tech Sgt. Rudolph Deiss III at the 182nd Airlift Wing, Peoria, Ill. on Oct. 14, 2012. (U.S. Air Force photo by Master Sgt. Scott Thompson/Released.)

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Photo by: Master Sgt. Scott ThompsonReleased. |  VIRIN: 121017-F-JZ008-764.JPG