This NACA High-Speed Flight Research Station photograph of the X-5 was taken at the South Base of Edwards Air Force…
Pathfinder-Plus on a flight over Hawaii in 1998.
The slow-speed wooden propeller and long wings are evident as NASA's YO-3A acoustics research aircraft performs a low-level flyover at…
The takeoff set the stage for a two-day Helios endurance flight in the stratosphere planned for mid-July.
The solar-electric Helios Prototype flying wing is shown near the Hawaiian island of Niihau during its first test flight on…
The solar-electric Helios Prototype flying wing is shown over the Pacific Ocean during its first test flight on solar power…
The solar-electric Helios Prototype flying wing is shown near the Hawaiian island of Niihau during its first test flight on…
The solar-electric Helios Prototype flying wing is shown near the Hawaiian islands of Niihau and Lehua during its first test…
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…
