Obviously we don't have the full story. Either these things have been happening and it's only after the Megabus balloon was undeniably spotted by civilians tha

Obviously we don't have the full story. Either these things have been happening and it's only after the Megabus balloon was undeniably spotted by civilians that the dept of defense took it seriously recalibated their systems and are discovering we've been monitored for a while... Or this is a new effort and we're trying to assess the situation and in the meantime shooting down any system that does not have prior clearance.