Summary and Key Points: Defense analyst Harrison Kass evaluates the 1966 SR-71 Blackbird breakup involving Lockheed test pilot Bill Weaver. -While testing aft center of gravity (CG) at Mach 3.18, a ...

Boeing's claim that the F-15EX could reach Mach 2.9 has been "amended". The official number is more like Mach 2.5. In a quick about-face, Boeing’s BA F-15 business development director amended his ...

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 ...

The SR-71 did not simply fade into a museum corner; it left service with the same aura of speed and mystery that defined its entire career. Its retirement years were framed by record-setting dashes ...

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 ...

In May, 2025, hypersonic plane developer Hermeus flew its Quarterhorse Mk 1 prototype. It flew at Edwards Air Force Base. They are showing rapid, iterative development. They got a flying prototype in ...

The experimental legacy of the iconic XB-70 Valkyrie, which made its first flight on Sept. 21, 1964. An article published on the U.S. Air Force website commemorates the 60th anniversary of the first ...