At nearly 78,000 feet over New Mexico on January 25, 1966, an SR-71 Blackbird was cruising at more than three times the speed of sound when everything suddenly went wrong. The aircraft, built from ...

Airplane performance specifications don’t often make the news anymore. The tempo of aerospace development has slowed since the earlier eras of jet technology, when speed and altitude seemed to be ...

Summary and 3 Points You Need to Know: The YF-12A, developed by Lockheed Martin’s Skunk Works in the early 1960s, was a pioneering aircraft that combined early stealth features with unmatched speed.