NASA research pilot Bill Dana is seen here next to the X-15 #3 rocket-powered aircraft after a flight.
The HL-10 and X-15A-2, shown here parked beside one another on the NASA ramp in 1966, underwent modifications.
Captain Joe Engle is seen here next to the X-15-2 (56-6671) rocket-powered research aircraft after a flight.
The X-15 pilots clown around in front of the #2 aircraft.
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.
