A Gathering of CBRN specialists
U.S. Air Force Capt. David Nguyen, 18th Civil Engineer Squadron Readiness and Emergency flight commander, presents information at the Chemical, Biological, Radiological and Nuclear (CBRN) Exposition Nov. 17, 2016, at Kadena Air Base, Japan. The CBRN Exposition is an opportunity for CBRN specialists from all branches of service to come together and discuss the future of training, readiness and equipment. (U.S. Air Force photo by Senior Airman Lynette M. Rolen/Released)