rootbrowseIAC-11D2session 44. Future Space Transportation SystemsPapers1. ARIANE 6 Maturation activities for a future launcher2. Progress on the SKYLON and SABRE Development Programme3. THE ADVANCED RE-ENTRY VEHICLE – A VERSATILE VEHICLE TO SUPPORT ISS AND EXPLORATION4. Re-usable space-rocket system. Innovations on development of Russian means of access to outer space.5. A New Commercial Air Launch Solution for Medium Lift Cargo Missions6. The alternative concept of use of launch vehicles with recoverable winged boosters7. Study Results on a Solar Electric Power System for High Power Electric Propulsion (HiPER) Applications8. Investigations of Future Expendable Launcher Options9. Launch vehicle of the future10. Preliminary Design Analysis of a Fly-Back First Stage for Cost Effective Space Launch11. System analysis and apply study for long-term launcher and space vehicle rocket engines.