First Page | Document Content | |
---|---|---|
![]() Date: 2007-08-29 09:39:41Single-stage-to-orbit Space access Spacecraft propulsion Lifting bodies Lockheed Martin Lockheed Martin X-33 Reusable launch system Aerospike engine Crew Return Vehicle Aerospace engineering Space technology Spaceflight | Source URL: www.gao.govDownload Document from Source WebsiteFile Size: 873,61 KBShare Document on Facebook |