HW 801945-1956Government Communications Headquarters and Predecessor: Records relating to the development of the 1946 'UKUSA' Agreement
This series covers the signing of the 1946 BRUSA Communications Intelligence Agreement between the UK and US Sigint organisations, and the development of the Agreement up to 1956 by which time it had become known as the UK-US Communications Intelligence Agreement. It comprises minutes of meetings, copies of the actual Agreement and development of the various appendices and subsequent iterations thereof.