
The HL-10 is shown next to the X-15A-2 in 1966. Both aircraft later went on to set records.

NASA research pilot Bill Dana is seen here next to the X-15 #3 rocket-powered aircraft after a flight.

In June 1967, the X-15A-2 rocket-powered research aircraft received a full-scale ablative coating to protect the craft from the high…

In June 1967, the X-15A-2 rocket powered research aircraft received a full-scale ablative coating to protect the craft from the…

A NASA SR-71 made its successful first flight Oct. 31 as part of the NASA/Rocketdyne/Lockheed Martin Linear Aerospike SR-71 Experiment…

After receiving a full-scale ablative coating to protect the craft from the high temperatures associated with supersonic flight, the X-15A-2…

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

NASA research pilot Milt Thompson stands next to the X-15 #3 ship after a research flight.

The Linear Aerospike SR-71 Experiment (LASRE) before its first flight aboard NASA’s SR-71 No. 844. The initial test flight took…