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William H. Dana makes the 199th, and last, X-15 flight. He reached a speed of Mach 5.38 and an altitude of 255,000 feet. The center's attempt to make a 200th flight was defeated by weather: it snowed. NASA Photo E60-6204
Description
William H. Dana makes the 199th, and last, X-15 flight. He reached a speed of Mach 5.38 and an altitude of 255,000 feet. The center's attempt to make a 200th flight was defeated by weather: it snowed. NASA Photo E60-6204
Description
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