Having demonstrated that it has the operational capability to transport humans safely [to the moon and back](https://www.wired.com/story/artemis-ii-returns-from-historic-flight-around-the-moon/), the United States is moving on to its next major aim: It wants nuclear reactors in orbit and on the lunar surface by 2030. For such a feat, the National Aeronautics and Space Administration will have to work in conjunction with the Department of Defense and the Department of Energy.
In a post on X, the White House Office of Science and Technology Policy (OSTP) unveiled a document with new guidelines for federal agencies to establish the space nuclear technology road map for the coming years. This, they say, will ensure “US space superiority.”
At present, space instruments use solar power to operate. However, this is considered impractical for more complex purposes. Although technically there is always sunlight, the power is intermittent and almost always requires bulky batteries to store it.
Reactors produce fairly continuous energy for years through nuclear fission. They can also be used for so-called nuclear electric propulsion. Continuous output makes them the most viable option for lunar base subsistence, but they can also allow spacecraft to undertake long or complex missions without worrying about depleting a limited supply of chemical fuel.
Nuclear technology, in short, makes it possible to go farther, with more payload, for longer, and with fewer constraints.
According to the [memorandum](https://www.whitehouse.gov/wp-content/uploads/2026/04/NSTM-3-2026_04_14-corrected.pdf), the US goal is to put a medium-power reactor in orbit by 2028, with a variant designed for nuclear electric propulsion, and a first functional large reactor on the surface of the moon by 2030. To achieve this, both NASA and the Pentagon will develop energy technologies in parallel, using the current strategy of competition among contractors.
i mean yea thats a great way to have energy on the moon
Yukari_Stan on
What’s next? Armed marines to protect lunar interests? A base named after the first English settlement in the US?
Chikitiki90 on
I’m fine with the US being first to have a moon base, but the way we’ve been going, I’d rather we weren’t the ones to have “space superiority”. Maybe let more level heads like the UN supervise space.
Zynntra on
What about the damage to the environment?
Somnambulist815 on
Damn that’s what i was going to do up there
red_beered on
How does that work without water?
seedless0 on
I mean. The day-night cycle makes solar power difficult, to say the least. And there’s no wind…
PVT_Huds0n on
There really isn’t any other viable option, we’ve known this for a long time. And the nuclear reactor would be purpose built, meaning it wouldn’t be huge, NASA is aiming at 20kw.
Stone_leigh on
Any one want to expound about nuclear „reactors“ of various types have been in space, including at east two that have left our solar system?
WorthyPetals on
Fully automated space capitalism
It’s a shame they’re ending the Outer Worlds series
mirroredinflection on
What is the plan for dealing with nuclear waste? Are we expecting to store it there or ship it back home?
Long_comment_san on
I get a feeling that somebody is stalking my posts. I’m writing things and they happen.
Ffs if that’s true, offer me a job
814daytona on
What happens when a reactor melts down? Moon gone so is earth?
mechanicalgrip on
And declare a nice big exclusion zone around it.
GarryOzzy on
A 10 kWe, metal stirling cycle reactor would have an LEU core the size of a paper towel roll. It is very viable.
Sea-Pomelo1210 on
With their annual budget cuts, they won’t be able to do much of anything in 2 years.
Whornz4 on
This sounds like a Trump thing.
Irr3l3ph4nt on
Yeah, they’ve announced this quite a while ago actually… There was this whole „Nukes on the moon“ month last year where everyone and their mom had an opinion on the subject.
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Having demonstrated that it has the operational capability to transport humans safely [to the moon and back](https://www.wired.com/story/artemis-ii-returns-from-historic-flight-around-the-moon/), the United States is moving on to its next major aim: It wants nuclear reactors in orbit and on the lunar surface by 2030. For such a feat, the National Aeronautics and Space Administration will have to work in conjunction with the Department of Defense and the Department of Energy.
In a post on X, the White House Office of Science and Technology Policy (OSTP) unveiled a document with new guidelines for federal agencies to establish the space nuclear technology road map for the coming years. This, they say, will ensure “US space superiority.”
At present, space instruments use solar power to operate. However, this is considered impractical for more complex purposes. Although technically there is always sunlight, the power is intermittent and almost always requires bulky batteries to store it.
Reactors produce fairly continuous energy for years through nuclear fission. They can also be used for so-called nuclear electric propulsion. Continuous output makes them the most viable option for lunar base subsistence, but they can also allow spacecraft to undertake long or complex missions without worrying about depleting a limited supply of chemical fuel.
Nuclear technology, in short, makes it possible to go farther, with more payload, for longer, and with fewer constraints.
According to the [memorandum](https://www.whitehouse.gov/wp-content/uploads/2026/04/NSTM-3-2026_04_14-corrected.pdf), the US goal is to put a medium-power reactor in orbit by 2028, with a variant designed for nuclear electric propulsion, and a first functional large reactor on the surface of the moon by 2030. To achieve this, both NASA and the Pentagon will develop energy technologies in parallel, using the current strategy of competition among contractors.
Read the full story: [https://www.wired.com/story/nasa-wants-to-put-nuclear-reactors-on-the-moon/](https://www.wired.com/story/nasa-wants-to-put-nuclear-reactors-on-the-moon/)
i mean yea thats a great way to have energy on the moon
What’s next? Armed marines to protect lunar interests? A base named after the first English settlement in the US?
I’m fine with the US being first to have a moon base, but the way we’ve been going, I’d rather we weren’t the ones to have “space superiority”. Maybe let more level heads like the UN supervise space.
What about the damage to the environment?
Damn that’s what i was going to do up there
How does that work without water?
I mean. The day-night cycle makes solar power difficult, to say the least. And there’s no wind…
There really isn’t any other viable option, we’ve known this for a long time. And the nuclear reactor would be purpose built, meaning it wouldn’t be huge, NASA is aiming at 20kw.
Any one want to expound about nuclear „reactors“ of various types have been in space, including at east two that have left our solar system?
Fully automated space capitalism
It’s a shame they’re ending the Outer Worlds series
What is the plan for dealing with nuclear waste? Are we expecting to store it there or ship it back home?
I get a feeling that somebody is stalking my posts. I’m writing things and they happen.
Ffs if that’s true, offer me a job
What happens when a reactor melts down? Moon gone so is earth?
And declare a nice big exclusion zone around it.
A 10 kWe, metal stirling cycle reactor would have an LEU core the size of a paper towel roll. It is very viable.
With their annual budget cuts, they won’t be able to do much of anything in 2 years.
This sounds like a Trump thing.
Yeah, they’ve announced this quite a while ago actually… There was this whole „Nukes on the moon“ month last year where everyone and their mom had an opinion on the subject.