The technology to make small, low-cost, coordinated swarms of drones is new, certainly newer than ten years. Much of the tech has emerged in the past five years.
Heres a nano swarm in action...https://youtu.be/YQIMGV5vtd4
“The technology to make small, low-cost, coordinated swarms of drones is new, certainly newer than ten years. Much of the tech has emerged in the past five years.”
The reports here in Colorado say these are large drones.
Old technology.
It’s new to the public.