In case you were wondering about drones

People are learning how to use and counter drones in battle. By now it's common knowledge that a truck is a drone (followed swiftly by artillary) magnet. This is for the foot soldier, though some is relevant for civilians caught in the middle.

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My suspicion is that the vast open areas in the USA make us more vulnerable to drone attacks and assassinations than more congested countries, once an adversary manages to smuggle inventory in.