SpaceX is going to be worth more than most countries.
They are going to literally own a large portion of mars and other planetary bodies as well as the transportation lanes.
Just an incredibly exciting company that in time will become a true science fiction mega corp.
Outer space, including the moon and other celestial bodies, is not subject to national appropriation by claim of sovereignty, by means of use or occupation, or by any other means.
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Article VI
States Parties to the Treaty shall bear international responsibility for national activities in outer space, including the moon and other celestial bodies, whether such activities are carried on by governmental agencies or by non-governmental entities, and for assuring that national activities are carried out in conformity with the provisions set forth in the present Treaty. The activities of non-governmental entities in outer space, including the moon and other celestial bodies, shall require authorization and continuing supervision by the appropriate State Party to the Treaty. When activities are carried on in outer space, including the moon and other celestial bodies, by an international organization, responsibility for compliance with this Treaty shall be borne both by the international organization and by the States Parties to the Treaty participating in such organization.
if spacex goes and builds a base on mars, that area is theirs. If they build a very large base they own a very large area. If they then decide to move their headquarters to mars, what is anyone on earth going to do about it? This is truly a possession is 9/10 of the law scenario.
Just an incredibly exciting company that in time will become a true science fiction mega corp.