Hostile drones don’t have to fire a shot to be dangerous. Just flying over a military base, airport, or power plant can reveal security gaps. That’s why U.S. intelligence tracks who’s flying them and why. #NationalSecurity #Drones #FBI https://www.pbs.org/newshour/show/irans-drone-attacks-raise-concerns-about-u-s-readiness-for-next-gen-threats