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Jammers don't work against optical cable or AI vision controlled drones. That's a big problem today in Ukraine for both sides.

As for defense, first of all it's detection and tracking. Copters and long range gas powered drones are very loud and easily detectable. Ukraine uses a net of cell phones. Several devices with microphones can accurately pinpoint all drone like sources in real time. That's cheap to install miles around important targets. Then we need just fast AI interceptors 'on hold', in the air if can afford. The last part is missing today, but we'll get there soon.

As for danger, etc. Small remote controlled firearms were easily available for decades. Drones _are_ trackable. When one takes off in big city Russians know immediately where. By using radio scanners. All DJI drones, and most others, communicate and simply broadcast their coordinates. This is used in Ukraine to find their operators.



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