Declassified documents have revealed the wartime leader built a special Whitehall team, known as the Flying Saucer Working Party, to look into a strange increase in UFO sightings.
An official report said the numerous sightings had earthly explanations, including the cause of strange objects over US capital Washington DC which were picked up by several military radar.
But, conspiracy theorists claim the report involved the cover up of a sighting in the UK by RAF staff.
The theory is fueled by an alleged deathbed confession by Churchill’s personal bodyguard who spoke of these bizarre events which involved two RAF pilots reporting encounters with mysterious aircraft, known as “foo fighters”, as WWII drew to an end.
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