F-16XLs were used by NASA for aerodynamic research in the 1990s, contributing to later developments like the F-22’s supercruise capabilities. -Today, F-16XL prototypes are preserved in museums ...

The F-16XL last flew in 1996, and then it went back into storage at NASA Dryden Flight Research Center. One F-16XL later became a museum piece at Edwards Air Force Base, and another sat for ...