Attack of the drones: the mystery of disappearing swarms in the US midwest, Drones (non-military)

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

US wants first drones that can kill people truly independently

The 'Kinetic Pendulum': How the Army wants to defeat drone threats - Breaking Defense

Colorado drone mystery sightings finally might be solved, Military

Pentagon Puts Out Call for Swarming Attack Drones That Could Blunt a Taiwan Invasion - USNI News

Drone swarms: coming (sometime) to a war near you. Just not today. - Bulletin of the Atomic Scientists

Locust - Wikipedia

Mystery as large 'creepy' drones swarm over Colorado and Nebraska each night leaving cops and FAA baffled – The Sun

If you found a military drone, are you obliged to return it or could you modify it for your use? - Quora

Aging US nuclear missiles in land-based silos to be upgraded

New Microwave Weapons Could Defend against Swarms of Combat Drones

US Navy apparently gearing up to use drone swarms in the future - Interesting Engineering

Drones are a strategic liability for US

Silent lightning: US develops EW drone swarms - Asia Times

List of unmanned aerial vehicles - Wikipedia

Understanding Drones Friends Committee On National Legislation