Inexpensive fiber-optic drones are challenging Israel's high-tech defenses, shifting the military balance in the Middle East.

Wladimir van Wilgenburg stands in a residential neighborhood in Erbil, in the Kurdistan region of Iraq, and points out incoming drones high in the sky. "The U.S. defense systems, as you can see, are ...

Israel’s government says Hezbollah’s use of small commercial drones is a tactical concern, but not a game-changer.