Already done and has been for a while. Here is a quick wiki article on the subject/an example https://en.wikipedia.org/wiki/Small,_sealed,_transportable,_autono

Already done and has been for a while. Here is a quick wiki article on the subject/an example https://en.wikipedia.org/wiki/Small,_sealed,_transportable,_autonomous_reactor https://en.wikipedia.org/wiki/Small,_sealed,_transportable,_... Plenty more can be found if you have access to read actual articles and not just wikipedia