(military Intel Drones) New guerrila warfare, ex case Yemen vs Saudi Arabia, how a 200€ drone can destroy a 4.5 million Patriot missile

 

https://www.nextgov.com/emerging-tech/2018/03/drone-swarms-are-going-be-terrifying-and-hard-stop/146491/

https://www.engineering.com/story/can-swarms-of-cheap-drones-overcome-military-defenses