McConnell Reservists 'mask' their training
Members of the 931st Air Refueling Group inspect their gas masks for any holes or tears during a Chemical, Biological, Radiological, Nuclear and Explosive (CBRNE) training April 12, 2015, McConnell Air Force Base, The class ensures Airmen can work and survive in a chemical environment and that they are also prepared to handle any hazardous materials. (U.S. Air Force photo by Tech. Sgt. Abigail Klein)