00993nam 2200325 450 991071523290332120210128093732.0(CKB)5470000002509697(OCoLC)1233178244(EXLCZ)99547000000250969720210128d2006 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAir Traffic Control - 1C1X1[Arlington, Va.] :U.S. Air Force,[2006]1 online resource color illustrationAir Force Fact Sheet"Published August 31, 2006."Air traffic controllersSelection and appointmentUnited StatesAir traffic controllersSelection and appointmentUnited States.Air Force,GPOGPOBOOK9910715232903321Air Traffic Control - 1C1X13324835UNINA