An "act of war" is whatever the executives in government deem it to be. Being a asset which the US is responsible for and regulates (for example, if China wants

An "act of war" is whatever the executives in government deem it to be. Being a asset which the US is responsible for and regulates (for example, if China wants to complain about it, they have to go to US gov, not the private company) it wouldn't be unreasonable for to treat it as a US asset. Most space and companies tech operate under ITAR restrictions, so the government isn't just a passive regulator here.