
In August 1947, Howard Clifton Lilly became the first permanently assigned NACA engineering test pilot at the National Advisory Committee…

NASA’s highly modified F-15A (Serial #71-0287) used for digital electronic flight and engine control systems research, at sunrise on the…

An F-15A used by NASA’s Dryden Flight Research Facility (now Center), Edwards, Calif., for digital electronic flight and engine control…

NASA’s F-15A Highly Integrated Digital Electronic Control (HIDEC) aircraft nears the runway after a flight out of NASA’s Dryden Flight…

NASA’s highly modified F-15 (left), used for digital electronic flight and engine control systems research, was accompanied by an F-18…

NASA’s F-15A Highly Integrated Digital Electronic Control (HIDEC) research aircraft cruised over California’s Mojave Desert at sunset on a flight…

AeroVironment technicians removed the Pathfinder-Plus solar aircraft from its ground dolly before a turbulence measurement flight from Rogers Dry Lake.

Technicians servicing the Bell Aircraft Corporation X-1 in preparation for a flight.

The M2-F2 Lifting Body is carried aloft by the Air Force’s B-52 (tail number 003) prior to a research launch.