Osan defenders stand guard
Airman 1st Class Robert Roland, 51st Security Forces Squadron entry controller, looks at his guard zone through binoculars during Operational Readiness Exercise Beverly Midnight 13-03 at Osan Air Base, Republic of Korea, Aug. 7, 2013. Throughout the ORE, 51st SFS members participate in many different scenarios that test their ability to fight and win tonight. (U.S. Air Force photo/Senior Airman Siuta B. Ika)