Things don't always come down to that. Look at the Cod Wars between Iceland and the UK. Three times Iceland pushed the UK - a nuclear power with hundreds of times its population - back further and further out its shores. The UK had the military ability to crush Iceland like an ant. But Iceland succeeded by combination of making it economically unfeasible for the British to fish Icelandic waters (net cutters, for example) and well-played international geopolitical maneuvering (for example, threatening to give the NATO base at Keflavík to the Soviets if the US didn't exert pressure on the UK, while also successfully positioning itself as a small weak state being bullied by a large powerful one)
Ah, but I'd distinguish on a couple of grounds. First, the UK was trying to encroach on waters already owned; no such ownership claim exists to objects in space. Second, "making it economically unfeasible for the British to fish Icelandic waters (net cutters, for example);" short of shooting down the rockets--which, again, would be in the equivalent of international waters, not territorial--how would you propose a country (and, for that matter, which country--who has the claim of right?) exert such force? Third, "positioning itself as a small weak state being bullied by a large powerful one;" again, how is anybody else being bullied? They're not being robbed of anything to which they have a claim.