What happened with the YF-16 prototypes?
Some of them are in museums, YF-16 was a technology exploration and didn’t commit to production.


YF-16


72-1567 – Virginia Air and Space Center, Hampton, Virginia
72-1568 – Rome ADC

YF-16A (Full-Scale Development)


75-0745 – Used as a traveling exhibit, on loan from the National Museum of the United States Air Force, Wright-Patterson AFB, Ohio
75-0746 – Pylon-mounted gate guard, McEntire Air National Guard Base, South Carolina
75-0748 – Cadet Area Quadrangle, U.S. Air Force Academy, Colorado
75-0750 – Experimental Aircraft Display Hangar, National Museum of the United States Air Force, Wright-Patterson AFB, Ohio

YF-16B (FSD)


75-0751 – under restoration at the Air Force Flight Center Museum, Edwards AFB, California.
75-0752 – Frontiers of Flight Museum, Dallas, Texas