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Unmanned Aerial Vehicles (UAVs).
It was a routine operational project for the mining area Security Command Center every day.
Every six hours,
one would take flight,
conducting an active security reconnaissance of the mining area.
For this purpose, there were always ten reconnaissance drones on standby on the top of the building; they were not equipped with offensive capabilities. The ones with offensive capabilities were deployed over thirty kilometers away in a deep mountainous area.
In addition to this,
there were two helipads on the top floor of the Security Building.
Parked on them were two helicopters, one a smaller civilian helicopter that could only seat two people, and the other a larger rescue helicopter that could hold a dozen or more.
Mainly used for deterrence and support.
Neither were capable of attack.