EM teaches CBRN defense
An Airman signals the evaluator that his team as finished a training scenario during chemical, biological, radiological and nuclear defense survival skills training at Barksdale Air Force Base, La., March 8, 2016. During training, Airmen learned how to properly care for protective equipment, prepare for different mission-oriented protective postures, identify unexploded ordnances, avoid contamination and respond in the event of a CBRN attack. (U.S. Air Force photo/Senior Airman Amanda Morris)