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NASA
Chuck Yeager Breaks the Sound Barrier
On October 14, 1947, Chuck Yeager broke the sound barrier flying the X-1 at Mach 1.07 at an altitude of 45,000 ft (13,700 m)over the Rogers Dry Lake in the Mojave Desert. On the ground, no one had ever heard a sonic boom before. It rattled the photographs of the … Continue reading
