Second world war ‘brain’ bunker in cliffs of Dover opens to public
The Fan Bay plotting room was secretly mothballed in 1957 and rediscovered in 2017. (Photograph: John Miller/National Trust Images/John Miller)

Second world war ‘brain’ bunker in cliffs of Dover opens to public

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It has been kept secret for decades, buried four metres deep into the white cliffs of Dover. But from Friday, members of the public will finally be able to visit a pioneering command bunker that was ordered by Winston Churchill and proved a vital defence during the second world war.

The Fan Bay plotting room, which is encased in concrete, housed the first land-based computer-aided targeting system. This acted as a "brain" for a gun battery that was used to defend Dover and attack German ships in the Channel, according to Jon Barker, who led the excavation project for the National Trust.