rootbrowseIAC-09D2session 55. Future Space Transportation Systems TechnologiesPapers1. Numerical Study of Optimal Skipping Trajectories for Suborbital Intercontinental Travel2. UNITED LAUNCH ALLIANCE – LAUNCH VEHICLE MISSION ENHANCEMENT THROUGH SPACE BASED RANGE TECHNOLOGY3. Using light gas guns to launch sub-orbital payloads4. TsAGI’s Aerospace Technology Basis For Integrated Research Of New Space Transportation Systems5. Recent status for the JAXA RBCC research work in 20096. Vulcain X and HX technological demonstration Test Results7. The Requirement Generation Process for the Skylon Launch System8. Optimal Orbital Transfer for Space Tug Rendezvous Based on Artificial Immune Algorithm9. overview of cryogenic engines studies in france for main stage propulsion of future launchers10. Orbiting and deorbiting of the satellite by aerospace plane