Mystery Drones Swarmed a U.S. Military Base for 17 Days. The Pentagon Is Stumped., U.S. officials don’t know who is behind the drones that have flown unhindered over sensitive national-security sites—or how to stop them.

Mystery Drones Swarmed a U.S. Military Base for 17 Days. The Pentagon Is Stumped., U.S. officials don’t know who is behind the drones that have flown unhindered over sensitive national-security sites—or how to stop them.

Mystery Drones Swarmed a U.S. Military Base for 17 Days. The Pentagon Is Stumped., U.S. officials don’t know who is behind the drones that have flown unhindered over sensitive national-security sites—or how to stop them. continue reading...