rootbrowseIAC-16D2session 44. Future Space Transportation SystemsPapers1. Advanced launcher concepts for a future market – an analysis2. angela - a new generation launcher3. Evolution of the SpaceLiner towards a Reusable TSTO-Launcher4. A road map toward Japan’s future reusable space transportation system5. System Study of Upper-Stage Reusable Launch Vehicle with Solid Rocket Booster6. Ariane class system vehicle studies leading to propulsion and reusability demonstrations7. Space Transportation System of a New Generation for the Lunar Space Exploration Program8. Comparison between VTOL and HOTOL hypersonic transportation system aimed at suborbital flights: impact on system architecture, sizing and performance9. Concept Study of Reusable Multi-purpose Manned Spacecraft10. Reusable Solar Electric Propulsion (SEP) Tugs as part of a Cis-Lunar Exploration Architecture