rootbrowseIAC-18D2session 66. Future Space Transportation Systems Verification and In-Flight ExperimentationPapers1. An Update of the Upcoming DLR Reusability Flight Experiment - ReFEx2. recent development of flight demonstrators for reusable suborbital technologies and it’s application3. Aerodynamic studies in preparation for Callisto - Reusable VTOL launcher first stage demonstrator4. CALLISTO project – Mechanical architecture and structural design challenges in the frame of a reusable first stage demonstration vehicle5. Experimental Flight Data Analysis of the Stratos II+ Sounding Rocket6. Development and flight testing of a rocket powered UAV as pathfinder for a reusable sounding rocket.7. Sub-Orbital Rockets the Fast and Easy Way to Reach Space8. Sounding Rockets are Unique Experimental Platforms9. Application of Aerospike to Hypersonic Vehicle: The Scientific Flight Test of China's First Commercial Rocket10. Bringing the Propulsion System of the first Orion-ESM Flight Unit to Life