-Engineered to "ride" its own shockwave for fuel efficiency, the massive bomber was a technological masterpiece. However, its development coincided with the dawn of the "missile age." -The rise of ...

Key Points and Summary - The North American XB-70 Valkyrie embodied a once-dominant creed: outrun defenses at Mach 3 and 70,000 feet. -The prototype proved the physics—compression-lift wingtips, ...

Summary: Boeing’s F-15EX Eagle II, boasting remarkable aerodynamic efficiency and powered by twin GE F110-GE-229 engines, initially claimed to reach speeds nearing Mach 3. However, Boeing program ...

The only remaining XB-70 Valkyrie superbomber is on display at the National Museum of the U.S. Air Force in Dayton, Ohio. The Cold War-era prototype variant of the planned B-70 nuclear-armed strategic ...