Tent classroom
Senior Airman Co Nguyen, 92nd Civil Engineer Squadron logistics journeyman, teaches a group of Fairchild Airmen about chemical, biological, radiological, nuclear equipment during an exercise, at Fairchild Air Force Base, Washington Nov. 30, 2017. Emergency management instructors are extensively trained on all CBRN gear using live agents to help them build confidence in their equipment and our methods of detecting and decontaminating contaminants. (U.S. Air Force photo/ Senior Airman Sean Campbell)