U.K. - U.S. Communications Intelligence Agreement (UKUSA Agreement): Declassified (Paperback) (ISBN-13: 9781608885121)

The UKUSA Agreement is one of the most important intelligence-sharing treaties in history, forming the foundation of the Five Eyes alliance between the United States, United Kingdom, Canada, Australia, and New Zealand. Originally signed in 1946 and extended in 1955, this declassified document reveals the terms under which these nations agreed to share signals intelligence. This Nimble Ultra edition reproduces the complete declassified text with AI-generated scholarly apparatus.