Found and Explained Official on MSN

The better F-16 that the US Air Force never chose - F-16XL

The F-16XL was a heavily redesigned version of the F-16, built to turn a lightweight fighter into a far more capable strike ...
Dark Skies Official on MSN

The F-16 variant the Air Force may have regretted rejecting

The General Dynamics F-16 XL looked like the future of tactical aviation. Featuring a massive cranked-arrow delta wing, ...