He flew seven flights in an X-15 and he was involved in both the piloting and engineering of the plane. Although not an official X-plane, this experimental craft paved the way for airplanes as we ...

The X-15 wasn’t just a plane—it was a groundbreaking experiment that pushed humanity closer to space. With speeds of Mach 6.7 ...

Dyna-Soar is the U.S.’s closest approach to a true spaceship. The X-15 rocket plane will only cruise along the shoreline of space (80 to 90 miles up) at about 4,000 m.p.h. The astronaut in the ...

The X-24C was expected to build upon the advancements of the X-15 and the X-24B programs. The X-15 was the vaunted hypersonic rocket-powered aircraft that the USAF and NASA operated. The X-15 was a ...

He says much was learned from the X-15 rocket-plane of the 1960s and from the subsequent Space Shuttle programme. Reaction Reaction Engines has developed a pre-cooler to chill air coming into the ...

Lippisch had already studied the idea of a rocket-propelled aircraft in the 1920’s, and agreed to the idea. The project was labeled Project X. Lippisch designed a small, light, and tailless ...