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U. S. Air Force Airmen participate in a chemical, biological, radiological and nuclear defense survival skills training course taught by Tech Sgt. Donovan Root, 60th Civil Engineer Squadron on Travis Air Force Base, Calif., Sep. 21, 2017. The CBRN defense course consists of individual knowledge-based and demonstration performance objectives that provide an in-depth education on CBRN defense hazards and protective actions. ( Air Force photo by Heide Couch)
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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: -ru983, 60amw, afb, air, couch, force, heide, pa, photo, travis, usaf