Bentwaters-Lakenheath 1956 — USAF and RAF Dual-Radar Intercept

On the night of August 13–14, 1956, RAF Bentwaters Ground Controlled Approach (GCA) radar operators tracked multiple unidentified objects at speeds they estimated at 2,000–4,000 mph — far beyond any known aircraft of the era. RAF Lakenheath GCA radar independently tracked the same or similar objects. USAF 512th Fighter Interceptor Squadron F-86D Sabre jet interceptors were scrambled from RAF Bentwaters. One pilot acquired radar lock on a stationary hovering target. As the pilot closed, the object moved directly toward him at high speed and then appeared on the pilot's tail — reversing position entirely. A second F-86D was scrambled; it also reported radar contact and the object performing evasive maneuvers before disappearing. Ground radar tracked the events throughout, providing real-time corroboration of the airborne engagements. The encounter lasted approximately 5 hours. The Condon Committee (1969) analyzed the case extensively and concluded it was 'the most puzzling and unusual case in the radar-visual UFO file' with 'complete corroboration' between ground radar and airborne pilot reports. The Condon report acknowledged it remained unexplained. The full classified case file was later released through FOIA and is available in the US National Archives.