NASA wants to nuke the moon!
Well, not literally but they wanna send miniaturized nuclear reactors there. What could ever go wrong?
https://www.usnews.com/news/politics/articles/2020-07-24/us-eyes-building-nuclear-power-plants-for-moon-and-mars
radioisotope TEG, not nuclear reactor. they want an active fission device, not something that converts the heat of decay into electricity.
Those are
https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator
Which is not what was requested. They want actual mini fission reactors, not rtegs.