Airmen respond to a ground attack during Beverly Midnight 13-03, an operational readiness exercise on Osan Air Base, South Korea, Aug. 8, 2013. The exercise is designed to test the base's ability to defend and execute the mission in a heightened state of readiness. The airmen are members of the 51st Security Forces Squadron. Airmen respond to a ground attack during Beverly Midnight 13-03, an operational readiness exercise on Osan Air Base, South Korea, Aug. 8, 2013. The exercise is designed to test the base's ability to defend and execute the mission in a heightened state of readiness. The airmen are members of the 51st Security Forces Squadron. SHARE: Download: Full Size (7.77 MB) Tags: Photo Essays, Week In Photos, Week In Photos Credit: VIRIN: 933656-W-ILE45-778.jpg Photo Gallery