U.S. Air Force Master Sgt. Lisa Slater, 8th Operations Support Squadron Air Traffic Control training NCO in-charge, views a display screen showing aircraft in the surrounding airspace at Kunsan Air Base, Republic of Korea, Aug. 2, 2017. Slater, who works in the Radar Approach Control section, provides critical flight information to any aircraft within their area of responsibility, which stretches approximately 25 miles in each direction and ranges from the surface up to 22,500 ft. (U.S. Air Force photo by Staff Sgt. Victoria H. Taylor)