GCHQ & Bletchley: Code-breaking hub Bletchley Park's contribution to World War Two is often over-rated by the public, an official history of UK spy agency GCHQ says. Bletchley still played an important role, and GCHQ had a significant influence in other conflicts.
GCHQ, known as Britain's listening post, was set up on 1 November 1919 as a peacetime "cryptanalytic" unit. During WW2, staff were moved to Bletchley Park, Buckinghamshire, to decrypt Nazi Germany's messages including, most famously of all, the Enigma communications. This provided an inside view of Nazi orders and movements.
The work was kept secret for decades but an official history of British intelligence in the war would later say it had shortened the conflict by two to four years and without it the outcome would have been uncertain.
GCHQ, known as Britain's listening post, was set up on 1 November 1919 as a peacetime "cryptanalytic" unit. During WW2, staff were moved to Bletchley Park, Buckinghamshire, to decrypt Nazi Germany's messages including, most famously of all, the Enigma communications. This provided an inside view of Nazi orders and movements.
The work was kept secret for decades but an official history of British intelligence in the war would later say it had shortened the conflict by two to four years and without it the outcome would have been uncertain.
MI6, section 8 handled communications, linking Bletchley Park's decrypted messages and Allied Command.
The work that Bletchley Park and MI6 did during World War Two, was instrumental in the allies’ victory. Until now, there hasn't been any video showing what life was like on the sites dedicated to this work. This all changed when a piece of film was anonymously donated to Bletchley Park Trust, providing an unprecedented insight into the lives of those there.
https://www.bbc.com/news/av/uk-52136986/mi6-world-war-two-workers-in-rare-forbidden-footage .
https://www.nytimes.com/2020/04/06/world/europe/bletchley-park-footage.html .
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