From what I have seen Tyler Rogoway at the Drive has done the most thorough coverage of this idea. There are plenty of criticisms of the site and the reporting

From what I have seen Tyler Rogoway at the Drive has done the most thorough coverage of this idea. There are plenty of criticisms of the site and the reporting but I find the war zone stuff to be pretty good. 2021 - https://www.thedrive.com/the-war-zone/40054/adversary-drones-are-spying-on-the-u-s-and-the-pentagon-acts-like-theyre-ufos https://www.thedrive.com/the-war-zone/40054/adversary-drones... 2019 - https://www.thedrive.com/the-war-zone/28640/could-some-of-the-ufos-navy-pilots-are-encountering-be-airborne-radar-reflectors https://www.thedrive.com/the-war-zone/28640/could-some-of-th...