On this day in space! Aug. 22, 1963: U.S. Air Force Captain Joe Walker flew an X-15 rocket plane higher than any pilot had ever flown before.
On this day in space! Aug. 22, 1963: X-15 sets world altitude record
Hanneke Weitering
On this day in space! Aug. 22, 1963: U.S. Air Force Captain Joe Walker flew an X-15 rocket plane higher than any pilot had ever flown before.