As F-15s tore into the skies and a police helicopter chased red flashing lights, the alarm was raised at the highest levels in Westminster.

A retired police detective has gathered evidence showing how the reports of drones at RAF Lakenheath were escalated to the Cabinet and followed by warnings to eight other bases across the country.

But almost a year on, events at the military significant air base and two others used by the Pentagon’s UK-based air force are shrouded in mystery, with the leading theory pointing at Russian ‘grey zone’ tactics.

To date, the incidents are known to have impacted the highly sensitive ‘Liberty Wing’ facility in Lakenheath, Suffolk, nearby Mildenhall, Feltwell in Norfolk and Fairford, a major facility in Gloucestershire.

All of the air force sites are home t

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