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Date: 2013-06-26 22:07:44Spacecraft propulsion Jet engines Single-stage-to-orbit Aircraft engines Space access Scramjet NASA X-43 Hypersonic speed Hypersonic flight Aerospace engineering Aviation Transport | National Aeronautics and Space Administration Hyper-X “Scramjet” Experiment H yper-X will be the fastest “air-breathing”Add to Reading ListSource URL: www.nasa.govDownload Document from Source WebsiteFile Size: 732,84 KBShare Document on Facebook |