Former Operators
- Portugal
- Portuguese Air Force received 12 aircraft in 1977. Initially operated by 201 Sqn. "Falcões" (Falcons) at Air Base No. 5, in 1980 they were transferred to 103 Sqn. "Caracóis" (Snails) being stationed in Air Base No. 11. They were finally retired in 1993.
- Republic of Korea
- Republic of Korea Air Force leased a total of 30 T-38A from the United States in April 1999. All units were returned to the United States by 2009 after near completion of production of T-50 Golden Eagle supersonic trainer.
Read more about this topic: Northrop T-38 Talon