-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 ...

Summary and Key Points: The Douglas X-3 “Stiletto,” designed to research sustained supersonic speeds and achieve a maximum speed of 2,000 mph, ultimately fell short due to being severely underpowered.

Numeric designation suggests a lot, and the Bell X-1 was indeed a special aircraft. Chuck Yeager broke the sound barrier in the X-1, and the plane ushered in the modern age of supersonic flight. The X ...