Since the revelation of the so-called Ultra Secret, the importance of codebreaking and signals intelligence in the diplomacy and military operations of World War II has become increasingly evident. No history of the war is complete without a careful consideration of the role of cryptanalysis. Studies of wartime signals intelligence, however, have largely focused on Great Britain and the United States and their successes against, respectively, the German Enigma and Japanese Purple cipher machines. Drawing upon newly available sources in Australia, Britain, China, France, and the United States,...

Investigating the logic, conduct and nature of war on the highest political and strategic levels, these essays put less emphasis on operational and tactical aspects. They look at the impact of technology on warfare, the political nature of war and the limits of rational analysis in studying war.

A neutral country tends to attract the attention of the secret service of the belligerents, and Sweden during World War II was no exception. This volume offers an account of some key activities of the Allied secret services and their German counterparts in Sweden. It also describes in some detail Swedish wartime legislation and Swedish organizations concerned with internal security and intelligence.

Drawing on extensive foreign material and making use of the social science concepts of information, power and law, this book develops a framework for the comparative analysis of MI5 and police special branches.

This is a reappraisal of the ill-fated raid named Operation Jubilee, focusing on such aspects as naval and air operations in the Channel, signals, radar intelligence, agents and deception. It draws from official archives, both German and Allied. From these voluminous but fragmented records, many of which have been destroyed, classified or lost, the book aims to thread the evidence together.

This history of Australia's highly secret Security Intelligence Organization starts with its establishment in the early days of the Cold War. Like most intelligence organizations working in covert conditions, it exceeded the vague powers entrusted to it. It has been the subject of two Royal Commissions in Australia and several act of Parliament have aimed to make it more accountable to the Australian Government and its citizens.

Many aspects of the Tet offensive of 1968 are brought to light here. The offensive is acknowledged as the turning point of the Vietnam War. Using Communist Vietnamese documents combined with Western sources, the author provides a more accurate version of the events, their significance, and reveals the crucial role played by US intelligence. This book illustrates that in the 1960s the Communist Vietnamese were well aware of the political and diplomatic nature of a People's War.

Nazi Germany considered the Catholic Church to be a serious threat to its domestic security and its international ambitions. In Germany, Hitler's agents recruited informants to provide intelligence on Church finances, and on the political views and activities of bishops, priests and lay Catholics. In Rome, however, German attempts to penetrate the Papacy were less successful, with the efforts of the local Gestapo office proving largely futile. For example, a plan to use a Roman seminary as a secret radio station and cover for German intelligence officers masquerading as seminarians had to be...

Intelligence played a crucial part in the genesis, management and resolution of the Cuban missile crisis in 1962, the world's closest brush with nuclear war. This study examines the role and performance of all three intelligence communities centrally involved in this event: American, Soviet and Cuban.

This is an account of the British intelligence operations based in both India and London, which defended the Indian Empire against subversion during the first two decades of the 20th century. It is concerned with the threat to the British Raj posed by the Indian revolutionary movement, the resulting development of the imperial intelligence service and the role it played in World War I.