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 ...

Summary and Key Points: The YF-12 was a twin-seat variant of Lockheed Martin’s A-12 reconnaissance aircraft, developed as an advanced long-range interceptor to surpass the Soviet MiG-25. -Despite its ...