rootbrowseIAC-21D2session 44. Future Space Transportation SystemsPapers2. The new European frontier of in-space Experimentation, Demonstration and Validation: Space Rider System4. A viable and sustainable European path into space – for cargo and astronauts5. Launch capacity – Parametric assessment of global capacity for access to space6. mission analysis, gnc and atd for reusable launch vehicles within ascension: multi-orbit multi-payload injection, re-entry and safe disposal7. Optimization of the design parameters for interorbital promising transportation reusable systems1001. future space transportation systems of mhi with modular engine1009. An analysis into the feasibility of a Lunar based Quench Gun Launch System for Lunar-Martian Payloads.1010. AT CROSSROADS OF AERONAUTICS & SPACE: WHAT MATTERS FOR AEROSPACE VEHICLES FEATURING ULTRA-HIGH PERFORMANCE