There are many stories about breaking the sound barrier, all unofficial.  Many people believe George Welch broke the barrier before Chuck Yeager, but it was an &quot;undocumented&quot; attempt and no verification was available.  I met Chuck Yeager about eight years ago.  Still a very feisty character and a great speaker.  I was surprised how small he was, I somehow expected a John Wayne kind of person, but he was certainly &quot;The Right Stuff&quot;.<br />
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Yes Joey, it was George Welch in the prototype F-86 Sabre.<br />
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