The key to surveillance is stealth, that rules out UFOs/other nations spy drones (they would operate in complete darkness and at 0300).
These are either US military/AF/gub'mint craft or operated by a hobbyist billionaire. Elon has stated the future of fighter aircraft will be unmanned.
These are either US military/AF/gub'mint craft or operated by a hobbyist billionaire. Elon has stated the future of fighter aircraft will be unmanned.
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