Modern Era

Bell X-1 breaks the Sound Barrier ..">

The History

1947 Bell X-1 breaks the Sound Barrier

American test pilot Captain Charles Yaeger broke the sound barrier on October 14th 1947. Yaeger flew a Bell X-1 test plane that was dropped from a specially modified B-29. Yaeger reached a speed of 670 miles per hour at an altitude of 42,000 feet.

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