Space.com August 22, 2026 • 12:00

On this day in space! Aug. 22, 1963: X-15 sets world altitude record - Space

By Hanneke Weitering, Josh Dinner

On this day in space! Aug. 22, 1963: X-15 sets world altitude record - Space

On Aug. 22, 1963, U.S. Air Force Captain Joe Walker flew an X-15 rocket plane higher than any pilot had ever flown before.

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