Developed in the late 1950s and flown throughout the 1960s, the X-15 was a hypersonic rocket-powered research plane. Operated jointly by the United States Air Force and NASA, this bird provided ...

While the SR-71 Blackbird gets all the press, the rocket-powered X-15 has its own richly deserved place in the aviation ...

The X-15 is the only conventional aircraft that ... But NASA and the U.S. Air Force, working in conjunction, manned a program that did exactly that—flew an aircraft in the traditional sense ...

U.S. Air Force test pilot Maj. Michael J. Adams was killed during X-15 Flight 191 on Nov. 15, 1967. The North American X-15 was a hypersonic rocket-powered aircraft 50 ft long with a wingspan of ...

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 ...

The Air Force proposed using the North American X-15, an aircraft capable of flying to space, as opposed to NASA’s preference for a capsule. -The X-15, powered by the Reaction Motors XLR99 ...

(Here is the weapon the US military spends the most money on.) The zenith of speed was attained by the X-15, an experimental rocket-propelled aircraft, which soared to a peak speed of 4,520 mph ...

It was called the NASA/USAF X-15 and it was an experimental aircraft designed by Nasa and the United States Air Force for a hypersonic research program. The X-15 broke records when reaching the ...

While this may pale in comparison to the X-15, the SR-71 retains its distinction as the fastest warplane ever manufactured and deployed in service. (This is the US Air Force’s oldest aircraft.) ...