When groups of sinister drones began hovering over homes in America’s Midwest, the FBI, US Air Force and 16 police forces set up a task force. But the drones vanished. Did they even exist? Amelia Tait investigates
Military drones are swarming the skies of Ukraine and other conflict hot spots – and anything goes when it comes to international law
Mystery as large 'creepy' drones swarm over Colorado and Nebraska each night leaving cops and FAA baffled – The Sun
The US Navy wants swarms of thousands of small drones
Swarm Drones - New Frontier of Warfare
Thinking Big with Small Drones: An Allied Approach to Swarming - War on the Rocks
The Army is using drone swarms against its soldiers in training
Conspiracy theories abound despite officials' denial of drone invasion - ABC News
THE PENTAGON'S BRAIN. THE UNCENSORED HISTORY OF DARPA, AMERICA'S TOP SECRET MILITARY RESEARCH PROGR. by Harold Arroyo, Jr. - Issuu
Drone swarms: coming (sometime) to a war near you. Just not today. - Bulletin of the Atomic Scientists