Republic of Korea Air Force Capt. Jung Seung Won, 6th Rescue Group pilot, monitors ROK air space at the Hardened Theater Air Control Center, Osan Air Base, ROK, during the first day of Ulchi Freedom Guardian, Aug. 17, 2015. Part of Won’s responsibility is to receive and relay vital information to commanders in order to support air rescue operations. UFG is an annual exercise that brings together U.S., ROK and other allied forces in an effort to ensure readiness to defend the ROK and help maintain stability on the Korean Peninsula. (U.S. Air Force photo by Airman 1st Class John Linzmeier)