Today marks 65 years since the first powered flight of the X-15 rocket-powered aircraft, flown by test pilot Scott Crossfield. In the 9-minute flight, Crossfield reached a speed of Mach 2.11, or 1,393 miles per hour, and an altitude of 52,341 feet. The three X-15s went on to fly a total of 199 times over nine years, setting speed and altitude records, and contributing to NASA's human spaceflight programs! 📘 More about this historic flight: https://go.nasa.gov/3XMcJdY | NASA History

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3.5M views · 1.4K reactions | Dropped in mid-air from beneath the wings of a B-52 mothership, the X-15 A-2 ignited its powerful rocket engine and streaked into the upper-atmosphere at Mach 6.70. | Dark Documentaries | Facebook

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5.3K views · 142 reactions | Check out this video and the fact sheet...