July 19, 1963 – Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100 km, this flight qualifies as a human spaceflight under international convention.

  2 comments for “This Day in History

  1. July 19, 2018 at 7:56 AM

    Amazing stats, Allan.

    janet

    Like

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