March 2021 

In March 1946, as an ‘Iron Curtain’ was descending across Europe, in post-war London a document was signed that to this day is the basis of the most important and longest intelligence relationship that the UK has. But that Special Relationship with the USA didn’t suddenly begin 75 years ago; it was the culmination of five years of wartime collaboration.

In this episode Podcast Producer, Mark Cotton, and our Research Historian, Dr David Kenyon, go back to February 1941 and look at each of the milestones that led up to the signing of the UKUSA Agreement – five years that forged a Special Relationship.

Special thanks to Steven Eric Wilson and Mr Ben Thomson for voicing our archival documents.

Image ©Bletchley Park Trust 2021

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