S  S  B   F  Series  XII.  National  Aviation Training Association,
  E  U  O   O                1940-1944.
  R  B  X   L                                                Date

  12   172   1 NAT AVIATION TRAIN ASSN:JAN.-DEC.             1940
  12   172   2 NAT AVIATION TRAIN ASSN:JAN.-FEB.             1941
  12   172   3 NAT AVIATION TRAIN ASSN:MAR.-OCT.             1941
  12   172   4 NAT AVIATION TRAIN ASSN:NOV.-DEC.             1941
  12   172   5 NAT AVIATION TRAIN ASSN:JAN.-MAY              1942
  12   172   6 NAT AVIATION TRAIN ASSN:JUN.-SEPT.            1942
  12   172   7 NAT AVIATION TRAIN ASSN:OCT.-DEC.             1942
  12   172   8 NAT AVIATION TRAIN ASSN:JAN.-APR.             1943
  12   173   1 NAT AVIATION TRAIN ASSN:MAY-JUL.              1943
  12   173   2 NAT AVIATION TRAIN ASSN:AUG.-DEC.             1943
  12   173   3 NAT AVIATION TRAIN ASSN:JAN.-DEC.             1944
  12   173   4 HARMS, H. B.                                  1943-44