Two YF-12 Aircraft in FightThe YF-12C was the second production SR-71A (61-7951), modified with YF-12A inlets and engines, and given a bogus tail number (06937).Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/two-yf-12-aircraft-fight/Copy URL to clipboard> DownloadShareSize1041x1283px
