
NASA-Dryden Flight Research Center (DFRC) SR-71 with the Linear Aerospike SR Experiment (LASRE) pod held over its attachment points on…

This rear view of the Linear Aerospike SR Experiment (LASRE) pod shows the business end of the linear aerospike rocket…

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.