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Date: 2014-09-14 11:12:04Parasite aircraft Spacecraft propulsion Jet engines Spaceplanes Scramjet Hypersonic speed Boeing X-51 NASA X-43 Prompt Global Strike Space technology Aerospace engineering Spaceflight | Hypersonics R&D: Status in the U.S. and Other Nations Mark J. Lewis IDA Science & Technology Policy InstituteAdd to Reading ListSource URL: sites.nationalacademies.orgDownload Document from Source WebsiteFile Size: 2,15 MBShare Document on Facebook |