Large-scale drones could safely fly in the National Airspace System by using ADS-B technology, according to NASA researchers. The agency said recently it has developed a patent-pending integrated communications and control system that’s capable of collision warnings as well as real-time traffic and weather updates. Vigilant Aerospace Systems has recently signed a licensing agreement with NASA to develop the system.
Source: avwebNASA: ADS-B Could Allow Drones In NAS