The North American X-15 was a hypersonic rocket-powered experimental aircraft flown by the USAF and NASA in the 1960’s. The X-15 holds the official world record for the highest speed ever recorded by a manned aircraft, set in October 1967 when test pilot William J. Knight at 102,100 feet flew Mach 6.70. Clearly it was a hot rod …
Posting on my perpetual pursuit of piloting perfection