U.S. troops in Europe reported a swarm of unidentified drones flying over several Air Force bases in the U.K. in the past week, a sighting that comes amid a growing mystery of UFO sightings near military installations.

Drone incursions were initially reported at three US airbases – RAF Mildenhall and RAF Lakenheath in Suffolk ... dark colour", in one of two evening sightings of drones he had made in the past week. "They were really noisy and had lights.

RAF Brize Norton has asked people to keep an eye out for drones as suspicious activity is reported around USAF bases across the UK.

RAF Brize Norton has asked people to report it if they see a drone as suspicious activity is reported around USAF bases across the UK.

Over the last few weeks, a number of drones have mysteriously been spotted over three air bases used by the US Air Force (USAF) in the UK.The unmanned aerial devices were first spotted on 20 November,

Airspace around US airbases in Norfolk and Suffolk has been under scrutiny following multiple recent drone incursions. Those responsible for the aircraft have yet to be found and nearby residents have questioned how and why the incidents have been allowed to happen.

Multiple sightings of drones have been reported over multiple U.S. military bases in the U.K. and nobody seems to know who is behind the unmanned flights. Small drones have been spotted in and around Royal Air Force Lakenheath,