my bet is they are masking sensor deficiencies where they have allowed a massive spying operation to happen with drones and balloons and it has taken place due to military inefficiencies for awhile right under their noses and they are embarrassed and nervous https://www.thedrive.com/the-war-zone/40054/adversary-drones-are-spying-on-the-u-s-and-the-pentagon-acts-like-theyre-ufos