Mach 3.08 At 74,000 Feet: The XB-70’s Peak Moment Summary and Key Points: The lone surviving XB-70 Valkyrie—North American’s Mach 3 strategic bomber prototype—sits at the National Museum of the Air ...

A Boeing F-15 is still quite fast, but not nearly Mach 3, the company’s program manager said on Feb. 23, correcting a previous statement. “Mach 2.497 is what we can get out of the Eagle jet and that’s ...

Blackbird SR-71 did not survive through concealing but through escape. Lockheed had constructed the Skunk Works of the SR-71 in the wake of the 1960 U-2 shootdown in the belief that, once spotted, the ...

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 ...