rootbrowseIAC-24D2session 66. Future Space Transportation Systems Verification and In-Flight ExperimentationPapers1. A reusable launcher 1st stage demonstrator for Europe and Japan: CALLISTO2. CALLISTO vs. standard ELV : what does matter when System is at stake3. japan's first in-flight experimentation of autonomous flight termination software using a sounding rocket.4. Japan's first flight demonstration of navigation sensor integrated with AFTS using Sounding Rocket.5. The Reusability Flight Experiment – ReFEx: A Project Update and Insight into Pre-flight Test Campaigns6. Long Duration Hypersonic Flight Experiment ATHEAt7. Mission Analysis and Feasibility Assessment for the System Drop Test of ESA Space Rider Re-entry Module8. Space Rider: Payloads Aggregate design and preparation process throughout the whole mission lifetime9. Robust Fault Detection and Isolation algorithms for TVC systems: An experimental test10. Stratospheric validation for TRL elevation of hybrid navigation systems, two-phase cooling systems and AI-assisted attitude determination for launch vehicles.