The YF-12 was Lockheed’s attempt to transform the A-12 reconnaissance aircraft into a Mach 3 interceptor armed with powerful ...

Sukhoi’s T-4 Sotka was a titanium, fly-by-wire Mach 3 bomber designed to attack US carrier groups with massive Kh-45 hypersonic anti-ship missiles. Its drooping nose gave the two-person crew ...

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 ...

Many fascinating variants were proposed while trying to save the XB-70 Valkyrie program. We have often written about the XB-70 Valkyrie, With a cruise speed of Mach 3 and operational altitude of ...