[h2odragon]

Do you fall under the rules defining "militia" in your state? If so you may be, to an outside observer, no different from a soldier of the US Army acting without orders in the commission of what would almost certainly be called war crimes.

could you legally travel to the border of one of these states and begin firing weapons at them?

If the hostile motivation is the same, why should there be any difference in the reaction to it? You wanna impede their country, its government, its citizens from the normal pursuit of their life: whether you do so by kinetic weapon or by assaulting their digital civil infrastructure.

If you choose to pursue private wars, do so on your own; and please loudly disclaim the involvement of the rest of your neighbors when you do.

[aniftythrifrty]

All I'm asking is the legality of it as far as the U.S. is concerned. Would U.S. law enforcement care? What law would I be breaking?

[slater]

Your U.S. ISP's terms of service, likely