
Test pilots (left-right) Joseph A. Walker, Stanley P. Butchart, and Walter P. Jones are seen standing in front of the…

The Theseus prototype research aircraft takes off for its first test flight from NASA's Dryden Flight Research Center, Edwards, Calif.,…

F-104B #819 flies chase on the NB-52B #008 during the first Drones for Aerodynamic and Structural Testing (DAST) captive flight.

TF-104G #824 flies chase on NB-52B during a Drones for Aerodynamic and Structural Testing (DAST) Aeroelastic Research Wing (ARW)-1 captive…

The modified BQM-34 Firebee II drone with Aeroelastic Research Wing (ARW-1), a supercritical airfoil, during a 1980 research flight.

Technicians mount a BQM-43 Firebee II drone on the wing pylon of NASA's B-52B launch aircraft. The drone was test…

This image shows three vehicle configurations considered for the Drones for Aerodynamic and Structural Testing (DAST) project, conducted at NASA's…

Two BQM-34 Firebee II drones were modified with supercritical airfoils, called the Aeroelastic Research Wing (ARW), for the Drones for…

An artist's conception of the X-37 Advanced Technology Demonstrator as it glided to a landing on Earth.

This 1989 photo shows the cockpit and instrument panel of the X-29 technology demonstrator aircraft.