Eric Berger: NASA has begun a study of the SLS rocket’s affordability (Updated). Ars Technica, März 2021: „The backbone for NASA’s Moon to Mars plans are the Space Launch System rocket, Orion spacecraft, ground systems at Kennedy Space Center, Gateway in lunar orbit and human landing system.“ (Zitat NASA)
NASA Shares Progress Toward Early Artemis Moon Missions with Crew. NASA-Pressemeldung vom 9. Januar 2024: „NASA is reviewing the schedule for launching the first integrated elements of Gateway, previously planned for October 2025, to provide additional development time and better align that launch with the Artemis IV mission in 2028.“
Moon and Mars / Moon to Mars. In: nasa.gov. Abgerufen am 15. Mai 2019: „2018 – Lunar surface missions: NASA will establish sustainable lunar surface missions“
Administrator Bridenstine’s Speech at the Space Symposium. In: YouTube. NASA, 9. April 2019, abgerufen am 15. Mai 2019: „This is a sustainable return to the Moon, where we can go back and forth to the Moon with landers and rovers and robots and humans. We can have access to the entirety of the moon. Anytime we want, anywhere we want, we can get to the surface of the Moon. That is the sustainable return to the Moon.“