The Beginning:
-  ACFTC
   Air Corps Flying Training Command
   established 23 Jan 42
-  ACTTC
   Air Cops Technical Training Command
   established 26 Mar 41

15 Mar 42
-  AAFFTC
   Redesignated Army Air Force
   Flying Training Command
-  AAFTTC
   Redesignated Army Air Forces 
   Technical Training Command

31 Jul 43
-  AAFTC
   Redesignated AAF Training Command with the merger of AAFFTC and AAFTTC
  12 Mar 46                                                              
-  AAFTC 
-  AU  Air University established as a MAJCOM

1 Jul 46                                                                        

-  ATC Redesignated Air Training Command  

15 May 78
-  ATC
   AU realigned under ATC

1 Jul 83
-  ATC
-  AU Regained MAJCOM status

1 Jul 93
-  AETC
   AU realigned under ATC and ATC redesignated Air Education and Training Command