
The X-15 flight crew, left to right: Air Force Captain Joseph H. Engle, Air Force Major Robert A. Rushworth, NASA…

NASA pilots Milton O. Thompson, William H. "Bill" Dana, and John B. "Jack" McKay are seen here in front of…

Air Force pilot William J. "Pete" Knight is seen here in front of the X-15A-2 aircraft (56-6671).

NASA's SR-71 being towed to its hangar with the Linear Aerospike SR-71 Experiment (LASRE) installed.

A NASA SR-71 refuels from an Edwards Air Force Base KC-135 during the first flight of the NASA/Rocketdyne/Lockheed Martin Linear…

The Linear Aerospike SR Experiment (LASRE) pod is shown on the back of a NASA SR-71. Pictured is the half-span…

A NASA SR-71 successfully completed its first flight 31 October 1997 as part of the NASA/Rocketdyne/Lockheed Martin Linear Aerospike SR-71…

A NASA SR-71 successfully completed its first flight 31 October 1997 as part of the NASA/Rocketdyne/Lockheed Martin Linear Aerospike SR-71…

Technicians install Developmental Flight Instrumentation Data Acquisition Units in Marshall Space Flight Center's Systems Integration and Test Facility.

The SR-71 scale wind tunnel model showing the Linear Aerospike SR Experiment (LASRE) pod attachment location.