Back When | History Podcast

Author: National Trust

Language: en

Genres: History

Contact email: Get it

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Operation Hillside | Lifting the Official Secrets Act
Tuesday, 10 February, 2026

Behind the grand exterior of Hughenden Manor in Buckinghamshire is a secret history, that lay hidden for decades. A chance encounter between a former British intelligence operative and a volunteer uncovered mysteries from inside a once top-secret headquarters.Discover the story of how in the 1940s Hughenden Manor became a secret base for the Air Ministry to produce target maps for RAF Bomber Command. And helped shape the outcome of WWII. A listener note, a version of this episode first aired on the National Trust Podcast in 2021. Production Host: James Grasby Producer: Sean Douglas Sound editor: Jesus Gomez Discover more Find out more about visiting Hughenden Manor: https://www.nationaltrust.org.uk/visit/oxfordshire-buckinghamshire-berkshire/hughenden