U.S. Air Force Senior Airman Dennis Petzold, foreground, an exercise post-attack reconnaissance team lead assigned to the 8th Civil Engineer Squadron, guides his team in an area sweep following a simulated mortar attack during exercise Beverly Midnight 13-3 at Kunsan Air Base, South Korea, Aug. 7, 2013. Beverly Midnight is an operational readiness exercise sponsored by the 8th Fighter Wing that is designed to evaluate and measure the ability of installations to execute their combat mission in a chemical environment by creating realistic scenarios for exercise evaluations.