SHAW AIR FORCE BASE, S.C. -- Airman 1st Class Dallon Gines, 20th Operational Support Squadron air traffic controller, trains Airman 1st Class Christopher Cochran, 20th OSS air traffic controller apprentice, on a tower simulator at Shaw Air Force Base, S.C., Oct. 7. (U.S. Air Force photo/ Airman 1st Class Tabatha L. Duarte)