File:Pathfinder3.jpg

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English: NASA Pathfinder in the National Air and Space Museum, Steven F. Udvar-Hazy Center, Washington DC NASA's Pathfinder, Pathfinder Plus, Centurion and Helios Prototype were an evolutionary series of solar- and fuel cell system-powered unmanned aircraft. AeroVironment, Inc. developed the vehicles under NASA's Environmental Research Aircraft and Sensor Technology (ERAST) program. They were built to develop the technologies that would allow long-term, high-altitude aircraft to serve as "atmospheric satellites", to perform atmospheric research tasks as well as serve as communications platforms.
Nederlands: NASA Pathfinder in the National Air and Space Museum, Steven F. Udvar-Hazy Center, Washington DC Pathfinder, Pathfinder Plus, Centurion en Helios waren onbemande vliegtuigen die op zonne-energie werkten. De toestellen zijn ingezet in het kader van NASA's Environmental Research Aircraft and Sensor Technology-programma (ERAST).
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current10:31, 14 January 2009Thumbnail for version as of 10:31, 14 January 20092,328 × 1,692 (1.42 MB)Ad Meskens (talk | contribs){{Information |Description={{en|1=NASA Pathfinder in the National Air and Space Museum, Steven F. Udvar-Hazy Center, Washington DC NASA's Pathfinder, Pathfinder Plus, Centurion and Helios Prototype were an evolutionary series of solar- and fuel cell syste

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