9th Civil Engineer Squadron firefighters extinguish a fire at Beale Air Force Base, California, May 5, 2021. The fire was set when an explosive device was detonated during post-blast training. Due to the risk of wildfires, firefighters were on standby and had to extinguish fires following two detonations . (U.S. Air Force photo by Airman 1st Class Jason W. Cochran)