Have Doughnut

In 1966 an Iraqi Air Force pilot defected to Israel flying a Soviet built MiG-21. The followng year, the US Air Force acquired the jet and subjected it to a series of operational test flights against the array of US tactical aircraft. As the North Vietnamese had just started flying the MiG-21, it was important to give US flyers the information on how best to fight the MiG. The top secret operation was known as  Have Doughnut.

Recently, the OpEval was declassified. And here’s your copy.

H/T The Aviationist.

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