Working clandestinely behind the scenes, MI5 operatives helped to prop up newly independent states across the globe against a ceaseless campaign of Communist subversion. Though the CIA are often assumed to be the principal actors in the prolonged struggle against the KGB and other Soviet agencies, the so-called "special relationship" between Britain and the United States became the driving force behind an enormous overhaul of Britain's colonial intelligence system, which would play a key role in destabilizing and defeating the Communist threat. In Empire of Secrets, pioneering intelligence historian Calder Walton reveals how Britain contributed largely silently yet stunningly effectively to the Cold War effort, their victories as invisible to the larger world as their defeats. Mining recently declassified intelligence records, Walton uncovers this missing link in Britain's post-war history. He sheds new light on everything from violent counterinsurgencies fought by British forces in th