NextSTEP-3 Appendix B: Moon Base Demonstrations

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Summary from the notice

UPDATE: July 16, 2026 The final solicitation for Next Space Technologies for Exploration Partnerships-3 (NextSTEP-3), Appendix B, Moon to Mars Architectural Studies, issued under solicitation number 80MSFC26R0003, has been reissued as Appendix B: Moon Base Demonstrations and supersedes previous solicitation instructions. In December 2025, a national space policy was signed into place that emphasized America's leadership in space, including returning to the Moon, building a permanent base, investing in new technologies, and advancing lunar and orbital economies for future scientific missions. NASA’s Moon Base, located in the lunar South Pole region, will serve as the premier proving ground for deep space exploration, empowering scientific discovery and the development of advanced space technologies. Based on the preceding, Appendix B will now focus on phased implementation of Moon Base. NASA seeks to bridge the gap between technology development and mission operations, targeting concepts at technology readiness level (TRL) 6 and beyond. Industry partners play a critical role in addressing architectural gaps and risk reduction buy-down that create the knowledge foundation NASA needs to make informed programmatic decisions and strengthen its ability to achieve strategic exploration goals efficiently and effectively. To that end, NASA's Human Spaceflight Mission Directorate (HSMD) is actively embracing innovative ideas from industry partners through this Appendix B: Moon Base Dem…

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