ATC simulator
U.S. Air Force Airman 1st Class Brandon Gray, 23d Operations Support Squadron air traffic control apprentice, tracks aircraft flying over Moody Air Force Base using a radar approach control (RAPCON) simulator Jan. 8, 2015, at Moody AFB, Ga. To work in a control tower or RAPCON operations center, ATC Airmen are required to recertify their Federal Aviation Administration Specialist certification at each new duty station. (U.S. Air Force photo by Airman 1st Class Dillian Bamman/Released)