
A long, slender wing and a pusher propeller at the rear characterize the Perseus B remotely piloted aircraft, seen here…

The Perseus remotely piloted proof-of-concept vehicle waits on Rogers Dry Lake in the pre-dawn darkness before a test flight at…

The solar-powered Helios Prototype flying wing frames two modified F-15 research aircraft in a hangar at NASA's Dryden Flight Research…

This 1952 photograph shows the X-2 #2 aircraft mounted on a special transportation dolly at Edwards Air Force Base, CA.

This in-flight photograph of the X-2 (46-674) shows the twin set of shock-diamonds, characteristic of supersonic conditions in the exhaust…

NASA's Dryden Flight Research Center's F/A-18 chase and support aircraft retain the basic fighter plane cockpit controls with some exceptions.

NASA Dryden F/A-18 #852 mission support aircraft in flight.

The Bell Aircraft Corporation X-1E during a ground engine test run on the NACA High-Speed Flight Station ramp near the…

The Perseus A, a remotely-piloted, high-altitude research aircraft, is seen here framed against the moon and sky during a research…

The Perseus B remotely piloted aircraft taxis on the runway at Edwards Air Force Base, Calif., before a series of…