U.S. Air Force Staff Sgt. Lukas Ballard, 94th Fighter Generation Squadron crew chief, takes off his mission oriented protective posture 4 gear as a simulated missile attack concludes during an exercise at Joint Base Langley-Eustis, Virginia, Oct. 12, 2022. The three-day CBRN exercise tested Airmen’s capability to properly respond to emergency alarms and maintain base operations through their respective jobs. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)