U.S. Air Force Staff Sergeant Andrew Hill, 88th Security Forces Squadron patrolman and Master Sgt. Gabriel Travers, 88th SFS flight chief, survey a map to confirm accountability of volunteer victims involved in a simulated gas leak explosion during a base 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)