"We will focus on infrastructure that supports sustained operations on the lunar surface."
— NASA Administrator Jared Isaacman

NASA Shifts Gears: Prioritizing a Permanent Moon Base Over Gateway, Eyes Nuclear Mars Mission

In a major strategic overhaul, NASA has announced it is pivoting from the Lunar Gateway orbital station to focus on building a permanent base on the Moon’s surface. The agency is also accelerating plans for a nuclear-powered mission to Mars, targeting a launch by the end of 2028.

The Strategic Shift: Surface First

On March 11, 2025, NASA Administrator Jared Isaacman announced a pause on the Gateway program in its current form. The agency will now prioritize "infrastructure that supports sustained operations on the lunar surface."

Existing Gateway hardware and components contributed by international partners—including the Canadian Space Agency, the European Space Agency (ESA), the Japan Aerospace Exploration Agency (JAXA), and the United Arab Emirates—will be repurposed for surface operations or other program objectives.

ESA Director General Josef Aschbacher confirmed that discussions with NASA regarding the new plans are ongoing.

The Lunar Base Initiative: A Three-Phase, $30 Billion Plan

The Moon Base program is a phased, multi-mission approach designed to establish a sustained human presence near the lunar South Pole. The total estimated cost through Phase 2 is approximately $20 billion, with Phase 3 projected to cost an additional $10 billion or more.

The base is planned to cover an area described by NASA program executive Carlos García-Galán as potentially spanning "hundreds of square miles."

• First crewed lunar landing (under the revised plan): Targeted for 2028.
• Semi-permanent presence: Expected by 2032.
• Sustained human presence: Beginning after 2032.

Initial Missions (2026): The First Steps of Phase 1

Three uncrewed missions are scheduled for 2026:

Moon Base I

• Launch: No earlier than fall 2026
• Contractor: Blue Origin
• Lander: Blue Moon Mark 1 Endurance (cryogenically propelled)
• Destination: Shackleton de Gerlache Ridge area, lunar South Pole
• Payloads: Stereo Cameras for Lunar Plume-Surface Studies, Laser Retroreflective Array
• Contract value: $188 million to $468 million

Moon Base II

• Contractor: Astrobotic
• Lander: Griffin lander
• Cargo: Over 498 kg, including Astrolab's FLIP rover

Moon Base III

• Contractor: Intuitive Machines
• Lander: Nova-C Trinity
• Payload: Lunar Vertex investigation (NASA's PRISM initiative), plus contributions from ESA and the Korea Astronomy and Space Science Institute

Subsequent Missions: NASA has announced contracts for over a dozen additional missions to be detailed throughout 2026, targeting up to 30 robotic CLPS landings starting in 2027.

Surface Mobility & Infrastructure

Lunar Terrain Vehicles (Rovers)

NASA selected two companies to build next-generation lunar terrain vehicles in contracts totaling $439 million.

Both rovers can be driven by astronauts, operated remotely from Earth, or function autonomously. Each vehicle costs approximately $220 million.

Blue Origin also received a contract worth up to $280 million to deliver at least one rover to the lunar surface ahead of the first Artemis crew landing.

MoonFall Drone System

Firefly Aerospace is contracted to deliver four drones to the lunar surface as part of the MoonFall mission, targeted for launch in 2028. The drones will:

• Perform short flights to survey potential landing sites
• Gather high-resolution imagery of difficult-to-reach terrain
• Define the perimeter of the Moon Base
• Operate over a single lunar day

Lunar Power Systems: The Nuclear Option

On January 13, 2026, NASA and the U.S. Department of Energy signed a memorandum of understanding to develop a nuclear fission reactor for the lunar surface with a deployment target of 2030.

Technical specifications:

• Power output: At least 100 kilowatts of electric power
• Fuel: Approximately 400 kg of high-assay low-enriched uranium
• Cooling: High-temperature operation with radiator panels

Roles: NASA manages and funds the program and provides data for nuclear safety compliance. The DOE provides regulatory oversight, design support, and fuel.

This initiative follows previous U.S. attempts since the Apollo era to use nuclear power in space, most of which failed due to a lack of specific mission requirements, timeline mismatches between political cycles and technical development, and interagency coordination challenges.

Artemis Program Updates

Mission Schedule

Crewed Landers

NASA is evaluating two competing lunar lander systems:

• SpaceX: Starship HLS
• Blue Origin: Blue Moon lander

Both companies are developing crew landers under existing contracts. NASA will prioritize using whichever lander is ready first, rather than adhering to a predetermined mission assignment order.

Nuclear Propulsion: The Mars Mission

Space Reactor-1 Freedom (SR-1 Freedom)

NASA announced plans to launch a nuclear-powered interplanetary spacecraft to Mars by the end of 2028.

Key details:

• Propulsion: Nuclear electric propulsion, offering higher specific impulse than chemical systems
• Mars payload: Three Ingenuity-class helicopters (collectively named Skyfall)
• Mission goals: Demonstrate nuclear electric propulsion in deep space; establish flight heritage, regulatory, and launch precedent for nuclear hardware
• Partners: NASA with the U.S. Department of Energy

Commercial Contractor Update

Blue Origin Rocket Incident

On May 28, 2026, a Blue Origin New Glenn rocket exploded during a test in Florida. No injuries were reported. The explosion damaged launch facilities and affected a planned mission carrying scientific instruments to the lunar South Pole.

NASA Administrator Isaacman stated that impacts on Artemis and Moon Base programs are under assessment, and the agency is considering alternative launch options. NASA program executive Carlos García-Galán indicated the agency is examining other launch options for Blue Moon cargo if necessary.

Other Contractors

NASA has awarded approximately $590 million in contracts to Astrobotic, Firefly Aerospace, and Intuitive Machines for cargo delivery missions. Firefly is the only company to have completed a fully successful lunar landing. Intuitive Machines has landed twice near the South Pole, with both landers tipping over after touchdown.

International & Geopolitical Context

China has announced plans for a crewed Moon landing by 2030 and a permanent lunar base with Russia by 2035. China and Russia have also announced a joint effort to deploy a nuclear reactor on the Moon by the mid-2030s as part of their International Lunar Research Station.

"If China or Russia deploys a lunar nuclear reactor first, it could potentially declare a keep-out zone which would significantly inhibit U.S. operations."
— NASA Directive on Nuclear Infrastructure

This reflects an interpretation that first establishment of nuclear infrastructure could yield effective operational control, despite the Outer Space Treaty prohibiting territorial claims.

Congressional & Budget Considerations

The shift from Gateway to a lunar surface base requires approval from Congress. A budget reconciliation bill from July included $2.6 billion for Gateway, defined as an "outpost in orbit around the Moon."

The Trump administration has recommended cutting NASA's science budget by nearly 50% while boosting funding for the Moon Base. The "Big Beautiful Bill" allocated approximately $10 billion to NASA over six years.

NASA officials did not rule out revisiting the orbital outpost concept in the future.