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ENC-000911LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 86%

RAF Lakenheath / Bentwaters Radar-Visual Intercept

Night of August 13-14, 1956RAF Lakenheath / Bentwaters, Suffolk, United Kingdom

Multiple airborne and ground radar stations tracked anomalous objects performing rapid accelerations from stationary to 950 km/h, verified by scrambled RAF Venom jet interceptors.

Claims are displayed with the source wording, locator, relationship and verification state. Competing claims remain separate rather than being averaged into a single answer.
SOURCE COMPARISON

Encounter · Official Radar Tracking & Telemetry

HOW TO READ THIS
CLM-004505reported
The object changed direction several times, describing line segments ranging from 13 to 30 km, separated by abrupt stops for 3 to 6 minutes; the speed always went from a value of zero to a value of some 950 km/h without any transition.
The COMETA Report: UFOs and Defense - What Should We Prepare For?
SRC-002051 · COMETA Report (1999), Chapter II, p. 11
SUPPORTS
CLM-004506reported
The regulation telex sent by Lakenheath concluded: "The fact that rapid accelerations and abrupt stops of the object were detected by radar and by sight from the ground give the report definite credibility."
The COMETA Report: UFOs and Defense - What Should We Prepare For?
SRC-002051 · COMETA Report (1999), Chapter II, p. 11
SUPPORTS
CLM-004511reported
In summary, this is the most unusual and intriguing radar-visual case in the Project Blue Book files. The apparent rational behavior of the UFO suggests a mechanical device of unknown origin.
Scientific Study of Unidentified Flying Objects (The Condon Report)
SRC-002050 · Condon Report (1969), Section III, Case 02, p. 256 · PRIMARY SOURCE
SUPPORTS
Multiple claim rows are intentionally retained when sources disagree. ANOMALY does not silently reconcile competing values.