Hua’s U-2, 56-6721 was repaired and refitted with a second seat, as high altitude research aircraft at Edwards AFB in the 1960s. (U.S. Air Force)
Cortez-U-2D 66721
Hua’s U-2, 56-6721 was repaired and refitted with a second seat, as high altitude research aircraft at Edwards AFB in the 1960s. (U.S. Air Force)