Osan RAPCON keeps the planes flying
Tech. Sgt. Norbert Kalas talks with inbound aircraft at the radar approach control Feb. 18 at Osan AB, Republic of Korea. The RAPCON controls aircraft at altitudes up to 14,000 feet, with a 40-mile radius from the base. Sergeant Kalas is an air traffic controller with the 51st Operations Support Squadron. (U.S. Air Force Photo/Staff Sgt. Brian Ferguson)