British troops called in as drones seen over US Air Force bases in UK again
Drones were also spotted over three bases between Wednesday and Sunday.
Raf Mildenhall
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It also declined to comment on whether any defence mechanisms were used but said it retains "the right to protect" installations.
The quiet Suffolk market town better known as 'Little America'
RAF Mildenhall has supported American troops since 1950, and is currently home to the 100th Air Refuelling Wing.