Strategic Deception: OPERATION FORTITUDE

By: Lt.-Col Michael J. Donovan

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Synopsis: The Allied leaders decided to conduct the cross-channel invasion of Hitler's Fortress Europe in the first half of 1944 during the Tehran Conference held in November 1943. To support this invasion they also decided to implement a comprehensive deception campaign given the cover name BODYGUARD. The goal of BODYGUARD was to deceive Hitler and his senior military commanders about the location and timing of Allied offensive actions. Under the BODYGUARD umbrella, operation FORTITUDE was specifically designed to support the invasion of Normandy. FORTITUDE consisted of two primary operations. FORTITUDE-NORTH was designed to convince the Germans that the Allied invasion in 1944 would come through Norway and Sweden vice France. FORTITUDE-SOUTH was developed to convince Hitler and his staff that the primary invasion site in France would be Pas de Calais and other potential invasion sites, such as Normandy, were only diversions. The BODYGUARD and associated FORTITUDE operations were quite successful in fixing German forces, causing reserves to be committed piecemeal and basically paralyzing Hitler's decision making ability during the time of the Normandy landings and for weeks afterwards. The principles of current joint deception doctrine were applicable and utilized by the deception planners of General Eisenhower's staff long before the current Joint doctrine (Joint Publication 3-58, Joint Doctrine for Military Deception) was ever written.