Douglas Skyrocket
NASA's predecessor, NACA, operated the Douglas Skyrocket. A successor to the Air Force's Bell X-1, the D-558-II could operate under rocket or jet power. It conducted extensive tests into aircraft stability in the transsonic range, optimal supersonic wing configurations, rocket plume effects, and high-speed flight dynamics. On November 20, 1953, the Douglas Skyrocket became the first aircraft to fly at over twice the speed of sound when it attained a speed of Mach 2.005. Like the X-1, the D-558-II could be air launched using a B-29 Superfortress. Unlike the X-1, the Skyrocket could also takeoff from a runway with the help of JATO units.
Read more about this topic: Dryden Flight Research Center
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“I wish the English still possessed a shred of the old sense of humour which Puritanism, and dyspepsia, and newspaper reading, and tea-drinking have nearly extinguished.”
—Norman Douglas (1868–1952)