Drone swarms inside the U.S. could be spying — and the ability to detect, track them is lagging
The U.S. military is searching for ways to track and stop drone swarms flying over sensitive national security sites.
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U.S. Spy Drone Tracked Near Iran as Attack Prospects Grow
Languages: English and Farsi A United States military drone has been tracked flying very close to Iranian airspace ... developed by Northrop Grumman, is a high-altitude, long-endurance unmanned ...