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A Good Aircraft Museum in California
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January 14th 04, 11:24 PM
Mark Schaeffer
external usenet poster
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[...]
The A-12 was the first aircraft to reach Mach 3 and return in one
piece.
[...]
What are the dates for A-12 and X-15 first flying at Mach 3.0+?
Mark
Mark Schaeffer