
A close-up of the panels on the F-15B's flight test fixture showed five divots of thermal protection system (TPS) foam…

The X-15A-2 with drop tanks and ablative coating is shown parked on the NASA ramp in front of the XB-70.

This photo shows NASA's PIK-20 motor-glider sailplane on the ramp at the Dryden Flight Research Center, Edwards, Calif.

Bradley C. Flick

The unusual design of the Proteus high-altitude aircraft, incorporating a gull-wing shape for its main wing and a long, slender…

SR-71 research pilot Ed Schneider is pictured here in front of an SR-71 Blackbird on the ramp at the Dryden…

NACA High-Speed Flight Station Rocket Shop.

The Bell Aircraft Corporation X-1A (48-1384) returned from an Air Force test flight over Edwards Air Force Base, CA, in…

The unique shape of the Proteus high-altitude aircraft is clearly visible in this photo of the plane in flight above…

Both the HL-10 and X-15A2, shown here parked on the NASA ramp in 1966, underwent modifications.