A U.S. Air Force Airman, assigned to the 94th Fighter Generation Squadron, prepares to simulate taking cover in a bunker while putting on mission oriented protective posture 4 gear during an exercise at Joint Base Langley-Eustis, Virginia, Oct. 12, 2022. MOPP 4 gear is assumed when there is alarm red, which designates an attack is imminent or in progress and/or contamination is present or suspected to be present. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)

U.S. Air Force Senior Airman Maxwell Blank, left, and Tech Sgt. Michael Page, both 94th Fighter Generation Squadron crew chiefs, put on mission oriented protective posture 4 gear during simulated missile a chemical, biological, radiological and nuclear exercise at Joint Base Langley-Eustis, Virginia, Oct. 12, 2022. Through a series of simulated attacks and chemical warfare, Airmen showed their proficiency in their respective jobs by overcoming different challenges and showed how they would keep JBLE's operations running. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)

U.S. Air Force Senior Airman Denver Welch, 94th Fighter Generation Squadron crew chief, steps out of a vehicle wearing mission oriented protective posture 4 gear to shelter in a simulated bunker during an exercise at Joint Base Langley-Eustis, Virginia, Oct. 12, 2022. MOPP 4 is assumed when there is alarm red, which designates an attack is imminent or in progress and/or contamination is present or suspected to be present. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)

U.S. Air Force Airmen take shelter in a simulated bunker while being inspected during an exercise at Joint Base Langley-Eustis, Virginia, Oct. 12, 2022. Through a series of simulated attacks and chemical warfare, Airmen showed their proficiency in their respective jobs by overcoming different challenges and showed how they would keep JBLE's operations running. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)

U.S. Air Force Tech. Sgt. Michael Page, 94th Fighter Generation Squadron crew chief, left, discusses proper protective procedures to an inspector during a chemical biological, radiological and nuclear 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)

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)