The 48th Fighter Interceptor Squadron, as part of the 1st Air Force (as the additional tailmarking shows) flew the F-15A and F-15B from 1981 until its inactivation at homebase Langley AFB (VA) on 31 December 1991. The unit was activated again on 1 July 1996 and started to fly the T-1A Jayhawk trainer from Columbus AFB (TX).