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Question of the Day
What did the "Glamorous Glennis" do today in 1947?
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October 13, 2011 •
Chad vanderVeen
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Answer:
It became the first aircraft to break the sound barrier in controlled flight. The aircraft, a Bell X-1 piloted by Chuck Yeager, reached a top speed of Mach 1.06 (807.2 mph).
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