The position of the united states expressed in the department of defense law of war manual is in accord with the icj in this regard law of war treaties and the customary law of war are understood to regulate the conduct of hostilities regardless of where they are conducted which would include the conduct of hostilities in outer space. A real life space battle wont look like the mandalorian but war in space is more likely than ever efforts are underway to draft a space war rulebook but how would that work here are five . A third feature of international space law also flows from the general nature of public international law as well international space law regulates the conduct of states as distinguished from astrolaw space law is limited to the regulation of those activities by states in outer space which are by nature essentially international. The first and perhaps most significant barrier to imposing human law beyond the earth is the issue of gravity and its long term effects on those living in outer space according to nasa bone density in humans drops at over 1 per month in a zero gravity environment