Senior Airman Ants Vahk (right), 92nd Aerospace Medicine Squadron bioenvironmental engineer, sizes Staff Sgt. William Anderson (left), 92nd Maintenance Squadron munitions systems technician, with a sizing tool Dec. 7, 2016 at Fairchild Air Force Base, Washington. The sizing tool gives an estimation on what size mask a person should wear. ( Air Force photo/Senior Airman Nick J. Daniello)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: airmen, bioenvironmental, biological, chemical, fairchild, fit, gas, mask, readiness, test