Double-Cross system: Difference between revisions
imported>Hayford Peirce (minor rewriting; do we really know *all* German spies were captured, every single one of them?) |
imported>Howard C. Berkowitz (Filled out initials (FOI)) |
||
| Line 1: | Line 1: | ||
{{subpages}} | {{subpages}} | ||
In the [[World War II]] '''Double-Cross System''' of the [[United Kingdom]], all German spies captured in the British Isles were given a choice between execution and becoming a [[Counterintelligence#Double agent | double agent]].<ref>{{cite book | author = Masterman, J. C. | title = The Double-Cross System in the War of 1939–1945 | publisher = Yale University Press | year = 1972.}}</ref> The British-controlled double agents were part of a larger strategic [[Deception | deception]] operation, the principal intention of which was to make the Germans believe that the main Allied invasion would come at some place ''other'' than the actual beaches of Normandy. | In the [[World War II]] '''Double-Cross System''' of the [[United Kingdom]], all German spies captured in the British Isles were given a choice between execution and becoming a [[Counterintelligence#Double agent | double agent]].<ref>{{cite book | author = Masterman, J. C. | title = The Double-Cross System in the War of 1939–1945 | publisher = Yale University Press | year = 1972.}}</ref> The British-controlled double agents were part of a larger strategic [[Deception | deception]] operation, the principal intention of which was to make the Germans believe that the main Allied invasion would come at some place ''other'' than the actual beaches of Normandy. There is every indication that the German staff believed the deception, which had the main invasion coming at the Pas de Calais. Even after the Normandy invasion, Hitler refused permission to release reserves against the beachhead, saving them for the "real" invasion. | ||
Only those German reconnaissance aircraft that would pass over appropriately arranged decoys were allowed to complete their missions, and the Allies generated dummy signals corresponding to imaginary units whose organization and position was supportive of the overall deception plans. HUMINT, IMINT, and SIGINT were all collecting plausible data and returning it to the Germans. The Germans were unable to use collection techniques that revealed the real Allied plan. This was part of the larger strategic deception program, Plan BODYGUARD, directed by the London Controlling Staff (LCS).<ref name=Bodyguard>{{citation | Only those German reconnaissance aircraft that would pass over appropriately arranged decoys were allowed to complete their missions, and the Allies generated dummy signals corresponding to imaginary units whose organization and position was supportive of the overall deception plans. [[Clandestine human-source intelligence]] (HUMINT), [[imagery intelligence]] (photoreconnaissance) (IMINT), and [[signals intelligence]] (SIGINT) were all collecting plausible data and returning it to the Germans. The Germans were unable to use collection techniques that revealed the real Allied plan. This was part of the larger strategic deception program, Plan BODYGUARD, directed by the London Controlling Staff (LCS).<ref name=Bodyguard>{{citation | ||
| title = Bodyguard of Lies: The Extraordinary True Story Behind D-Day | | title = Bodyguard of Lies: The Extraordinary True Story Behind D-Day | ||
|first = Anthony Cave | last = Brown | |first = Anthony Cave | last = Brown | ||
| publisher = The Lyons Press | | publisher = The Lyons Press | ||
| year = 2002 | | year = 2002 | ||
}}</ref> | }}</ref> | ||
The [[counterintelligence#Offensive Counterintelligence Operations|counterespionage]] section of the U.S. [[Office of Strategic Services]], which worked closely with the Double-Cross committee, was named '''X-2''' in humorous respect for "XX". | The [[counterintelligence#Offensive Counterintelligence Operations|counterespionage]] section of the U.S. [[Office of Strategic Services]], which worked closely with the Double-Cross committee, was named '''X-2''' in humorous respect for "XX". | ||
Revision as of 17:28, 5 June 2008
In the World War II Double-Cross System of the United Kingdom, all German spies captured in the British Isles were given a choice between execution and becoming a double agent.[1] The British-controlled double agents were part of a larger strategic deception operation, the principal intention of which was to make the Germans believe that the main Allied invasion would come at some place other than the actual beaches of Normandy. There is every indication that the German staff believed the deception, which had the main invasion coming at the Pas de Calais. Even after the Normandy invasion, Hitler refused permission to release reserves against the beachhead, saving them for the "real" invasion.
Only those German reconnaissance aircraft that would pass over appropriately arranged decoys were allowed to complete their missions, and the Allies generated dummy signals corresponding to imaginary units whose organization and position was supportive of the overall deception plans. Clandestine human-source intelligence (HUMINT), imagery intelligence (photoreconnaissance) (IMINT), and signals intelligence (SIGINT) were all collecting plausible data and returning it to the Germans. The Germans were unable to use collection techniques that revealed the real Allied plan. This was part of the larger strategic deception program, Plan BODYGUARD, directed by the London Controlling Staff (LCS).[2]
The counterespionage section of the U.S. Office of Strategic Services, which worked closely with the Double-Cross committee, was named X-2 in humorous respect for "XX".