There have been many “final frontiers” throughout human history, Antarctica, the Moon, and now deep space itself. Although the Apollo program achieved the first lunar landing over half a century ago, returning to the Moon remains both a formidable challenge and an essential stepping-stone for human expansion to Mars and beyond. NASA’s Artemis program commits the United States to land the first woman and the next man near the lunar South Pole by the late 2020s, establish a sustainable presence by 2028, and catalyze scientific discovery, commercial innovation, and international cooperation on and around the Moon. Practical, scientific, and financial imperatives all point toward the Moon as a vital proving ground for the technologies and partnerships that will enable humanity’s next great leap.
President Trump’s Directive
In December 2017, the White House signed Space Policy Directive-1, directing NASA to lead an innovative program of exploration, working with commercial and international partners, to return humans to the Moon and lay the foundation for future crewed missions to Mars. Following this, the Trump Administration requested $25.2 billion for NASA’s fiscal year 2021, an increase of roughly 12 percent over the previous year, to fund Artemis initiatives including lunar landers, the Space Launch System (SLS) super-heavy rocket, and the Orion crew capsule. Though Congress holds the power of the purse, bipartisan support has consistently kept NASA’s annual budget above $19 billion since 2016, reflecting broad recognition of the Moon-to-Mars vision.
Implementing the Directive: NASA’s Artemis Program
Named for Apollo’s twin sister, Artemis aims not only to repeat Apollo’s feat but to establish a lasting human foothold on and around the Moon:
- Space Launch System (SLS): The world’s most powerful rocket, designed to send Orion, astronauts, and cargo directly to lunar orbit in a single launch.
- Orion Crew Capsule: Built by Lockheed Martin with a European Service Module by Airbus, Orion supports a crew of four for up to 21 days undocked and six months docked, providing life support, emergency abort capability, and deep-space re-entry.
- Human Landing System (HLS): NASA selected SpaceX’s Starship HLS to ferry astronauts from lunar orbit to the surface and back for Artemis III and IV, featuring a 50 m-tall lander, elevator system, and rapid cargo transfer capability.
- Lunar Gateway: A small space station in near-rectilinear halo orbit, developed with ESA, CSA, JAXA, and MBRSC contributions, providing habitation, refueling, robotics, and science platforms to support surface missions and deep-space operations.
- Artemis I–VI Timeline:
- Artemis I: Uncrewed SLS/Orion test flight (completed Nov 2022).
- Artemis II: First crewed lunar fly-by, expected in early 2026.
- Artemis III: Crewed landing near the lunar South Pole, currently targeted for mid-2027.
- Artemis IV–VI: Gateway assembly, international module deliveries, and development of a permanent lunar base through 2031.
Reasons to Return to the Moon
Practical Drivers
- Technology Demonstration: Artemis will finally fly SLS and Orion in crewed missions, transitioning decades-old hardware from development to operation.
- Infrastructure & Partnerships: By 2028, NASA aims to establish a sustainable exploration cadence, launching crewed sorties, deploying habitats and power systems, and refining commercial supply chains to reduce costs and risks.
- Lunar Surface Operations: New Artemis-generation spacesuits, lunar rovers, and in-situ resource utilization (ISRU) demonstrations (e.g., oxygen extraction from regolith) will be tested on-site, accelerating readiness for Mars missions.
Scientific Imperatives
- Volatile & Resource Mapping: The lunar South Pole harbors permanently shadowed regions rich in water ice and other volatiles. Direct sampling by crewed missions will refine resource estimates critical for life support and propellant production.
- Regolith & Geology Studies: Extended surface stays will allow systematic study of diverse terrains, pyroclastic deposits, mare basalts, and ancient highlands, offering insights into planetary formation and solar system history.
- Lunar Gateway Research: In-orbit experiments on Gateway’s HALO platform will study radiation shielding, long-duration life support, and deep-space operations, key technologies for crewed Mars transit.
Financial & Economic Benefits
- Cost Reuse & Commercialization: Competition among commercial providers (e.g., SpaceX, Blue Origin, Dynetics) under Artemis reduces per-mission costs and fosters a lunar economy of services, from cargo delivery to in-space manufacturing.
- Long-Term Sustainability: Establishing a lunar logistics hub enables economies of scale: ISRU-produced propellants and life-support consumables can slash Earth–Moon supply costs and enable deeper missions at lower budgetary impact.
- Stimulating STEM & Industry: High-visibility lunar missions drive national investment in STEM education, inspire commercial startups, and secure U.S. leadership in space technologies that cascade into terrestrial markets.
Conclusion
Returning to the Moon transcends nostalgia. It validates long-overdue spaceflight systems, unlocks scientific discoveries in previously unreachable lunar regions, and establishes the economic and operational foundations for human exploration of Mars and beyond. With presidential directives, robust budgets, commercial partnerships, and international accord, Artemis marks the dawn of a sustainable era of lunar exploration, one that will echo for generations to come.


References
Dunbar, B. (n.d.). Artemis: Humanity’s return to the Moon. NASA.
Northon, K. (2017, December 11). President Signs New Space Policy Directive. NASA.
Bartels, M. (2020, February 10). Trump calls for $25 billion NASA budget for 2021 to boost moon and Mars goals. Space.com.
Frishberg, M. (2017). Trump Administration’s NASA Budget Aims High. Research Technology Management, 60(6), 4–.
Witze, A. (2019). Can NASA return people to the Moon by 2024? Nature, 571(7764), 153–154. https://doi.org/10.1038/d41586-019-02020-w
Gohardani, A. (2019). Apollo anniversary inspires more exploration and milestones. Aerospace America, 57(11), 75–.
“Artemis II” & “Artemis III.” (n.d.). In Wikipedia. Retrieved 2023.
Jones, T. (2019). The necessity of returning to the Moon. Aerospace America, 57(8), 16–.
Dumbacher, D. (2019). Scar Tissue. Aerospace America, 57(6), 7–.
Axios Science. (2020). How NASA’s Artemis program could revitalize the space industry. Axios.