"Pentagon Tests Lasers and Nets to Combat a Vexing Foe: ISIS Drones"

NYT:

Iranian drones have buzzed United States Navy ships more than a dozen times in the Persian Gulf this year. In Europe, American and allied soldiers accustomed to operating from large, secure bases in Iraq and Afghanistan now practice using camouflage netting to disguise their positions and dispersing into smaller groups to avoid sophisticated Russian surveillance drones that could potentially direct rocket or missile attacks against personnel or command posts.

In the United States, the authorities voice increasing concerns about possible Islamic State-inspired drone attacks against dams, nuclear power plants and other critical infrastructure. Over the summer, the Pentagon issued classified guidance to base commanders around the country to warn local communities to keep commercial drone hobbyists away from installations.

...

Contestants had to destroy or disable 30 drones flying more than 250 yards away. A total of 10 systems competed, including four high-energy laser weapons and an attack drone that carried a big net to capture hostile drones, military officials said.