List of X-4 flights
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John B. McKay
List of X-1E flights
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List of X-1B flights
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Man in Space Soonest
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List of X-15 flights
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Forrest S. Petersen
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Kármán line
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Northrop X-4 Bantam
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1962 in aviation
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Douglas D-558-2 Skyrocket
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North American X-15
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Bell X-1
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List of astronauts by name
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List of astronauts by year of selection
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