Helios Prototype Flying Wing in flight.
Helios Prototype crew chief Marshall MacCready of AeroVironment, Inc., carefully monitors motor runs during ground checkout of the solar-powered flying…
Ground crewmen maneuver AeroVironment’s solar-powered Helios Prototype flying wing on its ground support dolly during functional checkouts prior to its…
The solar-electric Helios Prototype flying wing is shown moments after takeoff, beginning its first test flight on solar power from…
Ground crewmen maneuver AeroVironment’s solar-powered Helios Prototype flying wing on its ground support dolly during functional checkouts prior to its…
The solar-electric Helios Prototype flying wing is shown near the Hawaiian islands of Niihau and Lehua during its first test…
The solar-electric Helios Prototype flying wing is shown near the Hawaiian island of Niihau during its first test flight on…
This NACA High-Speed Flight Research Station photograph of the X-5 was taken at the South Base of Edwards Air Force…
This photograph shows the pitot-static probe, used to measure airspeed, Mach number, and altitude, mounted on a noseboom protruding from…
This photo emphasizes the sleek, futuristic shape of the X-24B lifting body as it sits on the lakebed near the…
