rootbrowseIAC-21D3session 11. Strategies & Architectures as the Framework for Future Building Blocks in Space Exploration and DevelopmentPapers1. The First Human Settlement on the Moon by 2045: A Case Study2. Value-Chain Analysis of In-Space Segments of a CisLunar Architecture3. LunaNet: Catalyst for the Space Based Economy?4. Lunar landing necessary building blocks and good practices for a sustainable development of human lunar activities6. ASTRAX Lunar City Development Project 20217. Advanced Propulsion as a Cornerstone for Space Exploration and Interstellar Living8. Silica Aerogel: ISRU, Architecture and Applications for Mars and Space Settlements9. A Novel Planetary Resource Classification Framework to Advance Sustainability in Lunar Exploration Missions10. Opportunities for Space Exploration under the United Nations Access to Space 4 All Initiative: Achievements in 2020-202111. Exploring Planetary Systems, in the Solar System and beyond. The enabling power of international collaboration1005. LUNAR LAVA TUBE MAPPING MISSIONS FOR HUMAN HABITATION ASSESSMENT USING SMALL ROBOTIC SWARMS