The North American X-15 was an experimental Air Force and NASA Hypersonic Rocket powered aircraft that was used to investigate materials, aerodynamic design, and control systems associated with ...

This is the first time anyone in the United States has flown a reusable hypersonic rocket plane since the last flight of the ...

Still the fastest airplane ever flown, the North American X-15 earned its title 40 years ago, when on October 3, 1967 Air Force Major William “Pete” Knight flew the rocket-powered aircraft to ...

Stratolaunch released a new video documenting the completion of its second hypersonic flight and full recovery of its ...

but the X-2 program ended over two years ago and the aircraft does not exist any longer. The X-15 is now of great interest to the public and will probably be engaged in the contractor ...

The North American X-15 hypersonic aircraft was operated by NASA and the U.S. Air Force. In 1967, it reached its highest ...

At the height of the Cold War during the 1960s the U.S. Air Force and NASA tested an experimental rocket-powered research aircraft code-named X-15.The X-15 experiments were conducted at Edwards ...