The Problem That Grounded the Future By the late 1940s, American aviation had reached a limit literally. Fighter aircra ...
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OTD in Space - October 14: Chuck Yeager Breaks the Sound Barrier
On Oct. 14, 1947, Chuck Yeager broke the sound barrier for the first time! Yeager was a test pilot for the U.S. Air Force who made history by flying an aircraft faster than the speed of sound. He made ...
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