420th Flight Test Flight T-38C Flight Acceptance

The 420th was reactivated in 2001 at Phoenix–Mesa Gateway Airport, Arizona (formerly Williams Air Force Base) as the 420th Flight Test Flight. The flight acted as a Northrop T-38 Talon functional check flight organization. The 420th replaced Operating Location E of the 622d Regional Support Group, which originally stood up in May 2000. After the 413th Flight Test Group was created at Robins Air Force Base, Georgia, the flight was reassigned to the group in 2003. Inactivated on 31 October 2007.