U.S. Air Force Senior Airman Alex Ebnet, Air Force Materiel Command emergency actions controller, talks to Airman 1st Class Kalil Petties, 88th Force Support Squadron, who is portraying a victim of a simulated gas leak explosion during a mass casualty exercise at the Warfighter Training Center, Wright-Patterson Air Force Base, Ohio, Aug. 1, 2019. Exercises are routinely held to streamline unit cohesion when responding to emergencies and test the base’s readiness to rapidly deploy.(U.S. Air Force photo by Michelle Gigante)