But on Tuesday, ABC7 News Reporter Jonathan Bloom got a look at a new system from NASA that could soon allow thousands of drones to fly over long distances at the same time.
Pilots have flight simulators and NASA has a full-sized simulator for air traffic control. They're building a whole new kind of air traffic control, not for airplanes but for drones.
NASA's expecting millions of drones to be flying overhead in the coming years, many of them self-flying commercial drones.
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