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The X-15 Hit Mach 6.7 and Put Every Military on Earth On Notice

In 1967, USAF Major “Pete” Knight set a world speed record that remains “unbroken” 68 years later. -Flying the X-15A-2 rocket ...
SlashGear

The Unique Landing Technique Of The Fastest Manned Aircraft Ever Built

An aircraft capable of hitting 4,520 mph (nearly seven times the speed of sound) is ludicrous to even think about, but the North American X-15 achieved this, defying comparison to any other aircraft ...
insider.si.edu

National Aeronautics and Space Administration X-15 Transparency Collection

Click to open image viewer. [NASM2006-12828] 70mm glass-mounted slides from the collection North American X-15 Glass-Mounted Color Transparencies (NASA), NASM.2006.0050. Photo by Mark Avino. CC0 Usage ...
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OTD In Space - July 17: X-15 Breaks Altitude Record

On July 17, 1962, the American test pilot Bob White broke the world record for the highest altitude flight. He took off from Edwards Air Force Base in a rocket-powered X-15 aircraft and made it to an ...