
A large, controllable-pitch pusher propeller at the rear is a distinctive feature of the Perseus B remotely piloted research aircraft,…

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

The long, slender wing of the Perseus B remotely piloted research aircraft can be clearly seen in this photo, taken…

The long, slender wing of the Perseus B remotely piloted research aircraft can be clearly seen in this photo, taken…

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.