WESTHAMPTON BEACH, NY - 1Lt. Courtney Killian helps an Airman don his gear during chemical, biological, radiological and nuclear defense training at FS Gabreski ANG Jan. 9th, 2015. CBRN defense consists of CBRN passive protection, contamination avoidance and CBRN mitigation. Airmen conducting this training learn how to avoid offensive and improvised weapons, wear of the protective clothing and masks and how to properly decontaminate after an incident. (New York Air National Guard / Staff Sergeant Christopher S Muncy / released)

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