One of three X-15 rocket-powered research aircraft being carried aloft under the wing of its B-52 mothership.
The X-15 aircraft, ship #1 (56-6670), sits on the lakebed early in its illustrious career of high speed flight research.
The X-15 (56-6670), seen here on the lakebed at Edwards Air Force Base, Edwards, CA.
This photo shows one of the four attempts NASA made at launching two X-15 aircraft in one day.
NASA research pilot Neil Armstrong is seen here in the cockpit of the X-15 ship #1 (56-6670) after a research…
X-15 personnel.
NASA research pilot Joe Walker flew the X-15 rocket plane to an altitude of 271,000 feet, or 51 miles high,…
The X-15 flight simulator, located at the NASA Flight Research Center, Edwards, CA, in the 1960s.
The X-15-3 (56-6672), seen here on the lakebed at Edwards Air Force Base, Edwards, CA, was a rocket-powered aircraft 50…
The North American X-15 settles to the lakebed after a research flight from what is now the NASA Dryden Flight…