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![]() Date: 2011-11-14 10:27:27Manned spacecraft Spaceplanes Aerospace engineering Rocket-powered aircraft Spacecraft propulsion Boeing X-20 Dyna-Soar National Advisory Committee for Aeronautics Hypersonic speed Hypersonic flight Space technology Transport Spaceflight | Source URL: crgis.ndc.nasa.govDownload Document from Source WebsiteFile Size: 2,62 MBShare Document on Facebook |