Ca.1974: TOS USAF as A-37B and assigned to the 169th Tactical Air Support Squadron/182nd Tactical Air Support Group (ANG), Peoria, IL. Ca.1980: Converted to OA-37B. 27 Apr '92: AMARC, Davis-Monthan AFB, AZ as AB0026. 6 Feb '96: Sold to Peruvian Air Force as a ground instruction trainer.