Are there any international law hurdles for this type of operation? I recall seeing mention of prohibition or at least a grey area around satellite docking / movement by government agencies because of the potential military applications.
Oh yeah. One situation we will avoid - deorbiting other peoples things without their permission. Its international waters out there and if you attempt to dock for example with a Russian rocket upper stage, (as a US company) that would be an act of war. No bueno. Lots of regulatory innovation needs to (and we think will) occur over the next 5-10 years to ensure a sustainable space environment!