Fotos para la historia.-

Photo By NASA Dryden Research Center.

March 25, 1960

NASA Flight Research Center test pilot Joe Walker flew the first NASA flight in a North American X-15 rocket aircraft, tail number 56-6670. He reached Mach 2.0 at 48,630 ft. It was the ninth flight of the program; the preceding eight flights had been flown by Scott Crossfield for North American Aviation as part of the acceptance process.