T-38s Sent To Spar With F-22s

The U.S. Air Force has assigned ten T-38C jet trainers to an F-22 unit to serve as training aircraft. Since F-22s don't expect to face anything as capable as an F-22 in the near future, anything that can move fast and maneuver like a jet fighter will do as an "opponent" aircraft. The T-38 is very similar, in shape and performance, to the American F-5 (a contemporary of the MiG-21), and does the adversary work for a fraction of the cost of using another F-22.

See the full article at Strategy Page