Chapter 1

🌙 Moon Base Overview

History of Lunar Exploration

The Moon is the only celestial body beyond Earth on which humans have set foot. Ever since the Soviet Union's Luna 2 became the first spacecraft to reach the lunar surface in 1959, the Moon has been a central goal of humanity's expansion into space.

The Apollo Era (1961-1972)

On May 25, 1961, President John F. Kennedy declared the goal of "landing a man on the Moon and returning him safely to the Earth before this decade is out." This was the beginning of the Apollo Program.

On July 20, 1969, Neil Armstrong and Buzz Aldrin of Apollo 11 landed on the lunar surface. Armstrong's words, "That's one small step for a man, one giant leap for mankind," have gone down in history.

The Apollo Program ended in December 1972 with Apollo 17 as its final mission. Across a total of six successful Moon landings, 12 astronauts walked on the lunar surface and brought 382 kg of lunar rock and soil samples back to Earth.

The Hiatus (1972-2020s)

For more than 50 years after Apollo 17, no human set foot on the lunar surface again. During this period, several nations, including the United States, the Soviet Union (Russia), Japan, China, and India, sent uncrewed lunar probes, but crewed lunar exploration came to a halt.

Nevertheless, important discoveries were made during this period:

• In 1994, the Clementine probe found evidence that water ice may exist in the lunar polar regions
• In 2009, data from NASA's Moon Mineralogy Mapper aboard India's Chandrayaan-1 (launched 2008) revealed water and hydroxyl on the lunar surface
• In 2009, NASA's LCROSS confirmed the presence of water ice in a crater at the lunar south pole
• In 2019, China's Chang'e 4 achieved the first-ever landing on the far side of the Moon

The Artemis Program

In December 2017, the United States redirected its human spaceflight program toward a return to the Moon, and in 2019 the effort was named Artemis. In Greek mythology, Artemis is the goddess of the Moon and the twin sister of Apollo. The program initially aimed to land humans on the Moon by 2024; that date has since slipped several times. Its long-term aim is a sustained human presence, including a permanent base.

Phases of the Artemis Program

Phase	Mission	Year (planned)	Objective
Phase 1	Artemis I	2022	Uncrewed Orion spacecraft lunar orbital flight (completed)
Phase 2	Artemis II	2026	Crewed lunar flyby, the first crewed flight beyond low Earth orbit since 1972
Phase 3	Artemis III	2027 or later	Crewed landing near the lunar south pole; the mission profile and date remain under revision
Phase 4	Artemis IV+	Late 2020s+	Further crewed landings; Gateway assembly, subject to U.S. budget decisions
Phase 5	Base Camp	2030s	Construction and operation of a permanent Moon base

The Lunar Gateway

One of the planned elements of the Artemis Program is the Lunar Gateway, a small space station in lunar orbit intended to serve as a waypoint between Earth and the lunar surface. Its future has been debated in recent U.S. budget proposals, so its role should be treated as planned rather than assured.

Intended functions of the Lunar Gateway:

• Docking hub: The place where the Orion spacecraft and lunar landers meet
• Temporary habitation: A space where astronauts can stay before and after lunar surface missions
• Scientific research: A laboratory for studying the lunar and deep-space environments
• Communications relay: Relaying communications between the lunar surface and Earth
• Mars preparation: A testbed for technologies for future Mars exploration

Why Do We Need a Moon Base?

1. Scientific Value

The Moon is extremely important for studying the early history of the Solar System. Unlike Earth, it has no geological activity, so its appearance from the time of its formation 4.5 billion years ago has been preserved intact. A Moon base makes the following scientific research possible:

• Studying the record of meteorite impacts from the early formation of the Solar System
• Investigating the Moon's internal structure and formation process
• Astronomical observation in an environment without an atmosphere (installation of radio telescopes)
• Studying the long-term effects of cosmic radiation and the solar wind

2. Resource Utilization

The Moon is rich in resources that are rare or useful on Earth:

• Water ice: Permanently shadowed craters in the polar regions contain water ice; published estimates of the total range up to hundreds of millions of tonnes and remain uncertain
• Regolith: Oxygen, silicon, iron, aluminum, and other elements can be extracted from lunar soil
• Rare earth elements: Present in KREEP-rich regions, although their economic recoverability has not been established

3. A Stepping Stone to Mars Exploration

The Moon is the perfect training ground for Mars exploration. At a distance of about three days' travel from Earth, it allows a relatively quick return in an emergency while still presenting challenges similar to those of Mars:

• Experience working in a vacuum environment
• Adaptation to low-gravity environments (Moon: 1/6 g, Mars: 3/8 g)
• Testing of radiation shielding technologies
• Validation of ISRU (In-Situ Resource Utilization) technologies
• Testing of long-duration habitation systems

4. Economic Opportunities

A lunar economy is widely discussed as a new frontier for the 21st century. The Moon could host a range of economic activities:

• Space tourism: Lunar travel for high-paying tourists in the longer term
• Resource mining: Supplying water, oxygen, and propellant locally, and possibly helium-3 in the longer term
• Space manufacturing: Manufacturing specialized products using low gravity and vacuum
• Research services: Operating scientific research and experimental facilities
• Communications and data: Building communications infrastructure on the lunar surface

International Cooperation and Competition

Major Participating Nations

Lunar exploration is no longer a competition between only the United States and Russia. Many nations and private companies are now taking part in lunar exploration:

Nation/Agency	Main Program	Objectives
United States (NASA)	Artemis	Crewed landings later this decade, a permanent base in the 2030s
China (CNSA)	Chang'e Program	Crewed landing by 2030, International Lunar Research Station
Russia (Roscosmos)	Luna Program	Robotic south-pole missions (Luna 25 failed in 2023), cooperation with China
Europe (ESA)	Moon Village	International Moon base concept, participation in Artemis
Japan (JAXA)	SLIM	Precision landing (landed in January 2024), cooperation with Artemis
India (ISRO)	Chandrayaan	South pole exploration, preparation for crewed missions

Private Sector Participation

Private space companies are also actively taking part in lunar exploration:

• SpaceX: Developing the Artemis lunar lander based on Starship
• Blue Origin: Blue Moon lander, New Glenn rocket
• Astrobotic: Peregrine (failed to reach the Moon in 2024) and Griffin landers, cargo delivery services
• Intuitive Machines: Nova-C lander (IM-1 landed in February 2024), commercial lunar delivery

The Future Vision of Moon Bases

The growth pathway below follows WIA-SPACE-011 §15.1. The dates are planning targets of the standard, not agency commitments.

Short-Term Goals (2026-2030)

• First crewed landings near the lunar south pole
• An initial outpost for 4-6 crew with basic ISRU and a science focus
• Initial stays of 1-2 months (reference mission "Artemis Base Camp", Appendix A.1)
• Start of construction of a small outpost

Mid-Term Goals (2030-2040)

• A permanent crewed base for 10-20 people
• Full ISRU operations (production of water, oxygen, and fuel)
• Building a network of lunar surface mobility vehicles (rovers)
• Start of commercial operations

Long-Term Goals (2040-2050)

• A large Moon base for 50-100 people
• Year-round continuous habitation
• Operation of food production systems (greenhouses)
• Start of commercial helium-3 mining
• Operation of Moon-based radio telescopes
• Serving as an intermediate base for Mars exploration

Conclusion

Humanity's return to the Moon is now becoming reality. After a gap of more than 50 years, this time the aim is to go back to the Moon to stay. If the Apollo era proved that "we can do it," the Artemis era will show that "we can sustain it."

A Moon base is key infrastructure for achieving a range of goals: scientific research, resource development, preparation for Mars exploration, and the expansion of humanity's sphere of survival. In the next chapter, we will take a detailed look at the Moon's unique environmental conditions.