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Date: 2013-07-16 12:40:53Single-stage-to-orbit Hydrogen-powered aircraft Rockwell X-30 Spaceplanes Manned spacecraft NASA International Space Station Spaceflight Spacecraft Space technology | Nl\Sl\News National Aeronautics and Space Administration Langley Research Center Hampton, Virginia[removed]Add to Reading ListSource URL: crgis.ndc.nasa.govDownload Document from Source WebsiteFile Size: 75,26 KBShare Document on Facebook |