Senior Master Sgt. Corey Coleman, 30th Civil Engineer Squadron deputy fire chief, secures the collar of Chief Master Sgt. Diena Mosely, 30th Space Wing command chief, during a fire training exercise on March 21, 2019, Vandenberg Air Force Base, Calif. Mosely experienced first-hand procedures necessary to combat small-scale fire conditions, giving her just a taste of what Vandenberg firefighters are exposed to during fires. (U.S. Air Force photo by Senior Airman Clayton Wear)