NASA Selects Three Lunar Surface Missions to Prepare for Human Moon Base

Three Missions Target Key Challenges for Lunar Habitation

NASA has selected three scientific investigations to address critical obstacles for establishing humanity's first Moon base. The missions will search for underground caves suitable for sheltering astronauts, map hidden deposits of water ice that could sustain long-term exploration, and monitor environmental hazards threatening future habitats and equipment. These payloads were chosen through NASA's Payloads and Research Investigations on the Surface of the Moon (PRISM) program and will be delivered via the Commercial Lunar Payload Services (CLPS) initiative, which partners with private American companies to transport cargo to the lunar surface.

Monitoring Threats: The Lunar Environment Station

The Lunar Environment Monitoring Station — South Pole (LEMS-SP), led by Dr. Mehdi Benna of the University of Maryland Baltimore County, will establish an autonomous station to continuously track environmental conditions and hazards. The Moon's lack of substantial atmosphere means micrometeoroid impacts pose serious risks to equipment and structures that Earth-based systems can normally withstand. The station will detect these tiny space debris strikes, measure volatile compounds in the Moon's thin outer layer, and deploy a seismometer to detect moonquakes and seismic vibrations. This data will directly inform how engineers design safer infrastructure and position equipment on the lunar surface, helping NASA minimize risks to future astronaut crews.

Underground Shelter: The Lava Tube Investigation

The Geophysical Instruments for Marius Lunar pit Investigation (GIMLI), under principal investigator Dr. Nathaniel Putzig of the Planetary Science Institute, will examine the Marius Hills Pit as a potential gateway to extensive underground lava tubes. These natural formations were created when the outer surface of ancient lava cooled while molten rock continued flowing beneath, eventually draining away and leaving hollow tunnels. If confirmed, such underground spaces could offer extraordinary advantages: the lunar surface experiences extreme temperature swings, intense ionizing radiation, and constant bombardment from space rocks, but underground lava tubes would provide stable temperatures and natural shielding from these hazards. Rather than relying solely on constructed surface habitats, astronauts might inhabit or shelter in these existing geological formations, potentially transforming where and how NASA positions permanent structures on the Moon.

Water Resources: The Ice Detection Mission

The Depth Imager with Spectral and Color Optics (DISCO), led by Dr. Ariel Deutsch at NASA's Ames Research Center, will make the first direct surface measurements of water ice trapped in micro-cold traps—shadowed regions cold enough to preserve frozen water indefinitely. Transporting water from Earth into space is prohibitively expensive, but accessing lunar ice could allow astronauts to extract water locally and process it into oxygen and hydrogen for life support and propellant. DISCO will also examine lunar surface physical properties and stability to understand how spacecraft landings affect terrain, specifically how rocket exhaust can displace dust and debris. These measurements will help NASA develop safer landing and mobility procedures while advancing technology to convert lunar ice into usable resources.

Broader Implications for Artemis and Mars Exploration

Collectively, these three investigations form the scientific foundation for sustained human presence on the Moon. LEMS-SP will characterize environmental threats, GIMLI will unlock potential natural shelters, and DISCO will identify accessible water and surface behavior—data that will influence habitat placement, equipment design, and resource utilization strategies. NASA emphasizes that this knowledge gained from lunar operations will prove essential for the agency's longer-term objective of sending humans to Mars, treating the Moon base as a crucial testing ground for deep-space exploration technologies and survival techniques.