Langley Air Force Base is home to advanced fighter jets, which were moved to another base after UAVs were spotted around it last December, a report said.

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.

Unidentified drones spotted flying over Langley Air Force Base in Virginia have baffled US military officials who are not sure whether it is the work of hostile powers or hobbyists.

Dozens of mysterious drones have attempted to spy on sensitive U.S. military bases, and there is little the Pentagon can do to stop them.

The military and the Pentagon’s UFO investigating arm have tried to determine the source of the drones that flew over Langley Air Force Base.

Mystery drones breach US military base for 17 days, raising questions about Pentagon's ability to protect sensitive installations and respond to emerging aerial threats.

Not that there's anything important there – just F-22s and stuff The former commander of the the Langley Air Force Base in Hampton, Virginia, has revealed an unidentified drone swarm buzzed the facility for 17 days last December.

Drone Wars US military officials were disconcerted by a strange parade of unidentifiable drones flying over an Air Force base — and nobody, including the president, knew what to do about them. As the Wall Street Journal reports,