rootbrowseIAC-21A7session 11. Space Agency Strategies and PlansPapers5. HEMERA: a European Stratospheric Balloon Research Infrastructure1001. The U.S. National Academy of Sciences Decadal Survey for Astronomy and Astrophysics: Process and Results1002. Italian Space Agency science programmes and new perspectives1004. The impacts of satellite constellations on optical astronomy: the good, the bad and the ugly1006. Mission enabling mirror technologies for astronomical space telescopes at ESA