12/31/2007. This was the first YF-16 built, it flew for the first time
in 1974, in late 1975 it was converted to a Control Configuration
Vehicle (CCV). A CCV has independently operated flight control
surfaces that are being controlled by a computer system. Flight
controls were modified and two canards were added beneath the air
intake. The CCV was flown for the first time by David J. Thigpen on
March 16, 1976, the program ended on June 31, 1977.
The aircraft was restored to its original configuration and was struck
off charge on October 31, 1981. It is preserved in Virginia.