High Quality Content by WIKIPEDIA articles! In World War II, Operation Quicksilver (Allies, 1944) was a sub-plan of Operation Fortitude, the 1944 deception plan designed to induce the Germans to hold troops away from Normandy in belief that the Normandy landing was only a feint and that the major invasion would come in the Pas-de-Calais. The key element of Quicksilver was the creation in German minds that "First United States Army Group" (FUSAG) commanded by General George Patton supposedly would land in the Pas-de-Calais for the major invasion of Europe, after the landings in Normandy had lured the German defenders to that front. (FUSAG was a genuine army group headquarters which later became Omar Bradley's 12th Army Group, but was given a fictitious role and many non-existent divisions for purposes of deception.)