The U. S. Air Force “Have Doughnut” Project

This is the tale of a borrowed Mig-21 and it’s evaluation in 1968.

From the report:

“1. The U.S. borrowed a Soviet-built MiG-21 F-13 FISHBED E from 23 January 1968 to 8 April 1968
2. The Foreign Technology Division of AFSC led the exploitation utilizing expertise
from AFFTC, ASD, TAC, NWC
3. The purpose was to substantiate and supplement existing threat dat
4. Included ground and flight testing
5. 102 flights (77 flying hours) in 40 days of flying
6. The U.S. gave the jet back when they were done with it”

Download photos here

Have Doughnut Project Report #1 here or here

Have Doughnut Project Report #2 here or here

Additional info here and here

Many photos and info here