After decades of secrecy, the Air Force today acknowledged that it flew Communist-built fighters at the Tonopah Test Range northwest of Las Vegas. From 1977 through 1988, the program, known as Constant Peg, saw U.S. Air Force, Navy, and Marine aircrews flying against Soviet-designed MiG fighters as part of a training program where American pilots could better learn how to defeat or evade the communist bloc's fighters of the day.

Brig. Gen. Hawk Carlisle, commander of the 3rd Wing at Elmendorf Air Force Base, Alaska, is a former member of the 4477th Test and Evaluation Squadron who remembers the valuable training the unit provided.

"Constant Peg afforded pilots an opportunity to learn how to fight enemy aircraft in a controlled, safe environment, without having to endure the risks of actual air combat," Carlisle said. "Typically a pilot would start with a basic familiarization flight to observe the enemy airplane and study its characteristics, practicing one-on-one defensive and offensive maneuvers against it, and finally, experience multi-bogey engagements high over the desert scrubland of the Nellis Air Force Base ranges."

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