a Nuclear aircraft carrier might be a good initial base to expand from.

of course, a way to flag it, or protect it is the critical question.
but all questions have answers, just some are super complicated.


Flagged by a any Nation initially, then.........
anybody read The Moon is a Harsh Mistress?"
the Moon began as an Earth colony,  then found out how to protect itself,

some things just take a long time to evolve,
the nay sayers on this subject, would have been the same nay sayers decades ago telling us that there can be no such thing as a FREE CURRENCY internationally used not controlled by any Government................