The Military Wants a Way to Track Drones Flying Over Cities
"Says DARPA:
To achieve the technically difficult goal of mapping small UAS in urban terrain, DARPA today announced its Aerial Dragnet program. The program seeks innovative technologies to provide persistent, wide-area surveillance of all UAS operating below 1,000 feet in a large city. While Aerial Dragnet’s focus is on protecting military troops operating in urban settings overseas, the system could ultimately find civilian application to help protect U.S. metropolitan areas from UAS-enabled terrorist threats."
ADS-B for drones? Have at it. But remember, this is the military, not the FAA.