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Date: 2013-06-26 21:52:12Solar-powered aircraft Unmanned aerial vehicles NASA Pathfinder NASA ERAST Program AeroVironment Electric aircraft Fixed-wing aircraft Solar energy Dryden Flight Research Center Aircraft Aviation Energy | NASA Facts National Aeronautics and Space Administration Dryden Flight Research CenterAdd to Reading ListSource URL: www.nasa.govDownload Document from Source WebsiteFile Size: 451,77 KBShare Document on Facebook |