U.S. Air Force Senior Airman Christopher Waller, 60th Civil Engineer Squadron explosive ordnance disposal technician, waits for the decontamination process to begin during a wartime chemical ordnance exercise Oct. 22, 2020, at Travis Air Force Base, California. EOD Airmen are trained to detect, identify, recover, disarm, detonate and dispose of explosive ordnances. (U.S. Air Force photo by Chustine Minoda)