The Lockheed YF-12 was a prototype interceptor version of the Lockheed A-12 reconnaissance aircraft.
https://s3-us-west-1.amazonaws.com/h...nterceptor.jpg
More:
https://www.nasa.gov/centers/armstro...-047-DFRC.html
Previously:
https://www.homemadetools.net/forum/...979#post144904
https://www.homemadetools.net/forum/...349#post150604
https://www.homemadetools.net/forum/...192#post149880
https://www.homemadetools.net/forum/...137#post134465
