The X-15 was the vaunted hypersonic rocket-powered aircraft that the USAF and NASA operated. The X-15 was a remarkable machine, depicted recently in the film First Man, in a recounting of an ...

One of the most famous rocket planes produced was the North American X-15. It was a hypersonic rocket-powered aircraft operated by the US Air Force and NASA. In the 1960s, it set records at the ...

Let’s take a look at a few of the fastest American aircraft ever ... For propulsion, the X-15 initially relied upon two Reaction Motors XLR11 liquid-propellant rocket engines, which provided ...