 These tanks were easily swamped, and on D-Day many sank before reaching the shore, especially at Omaha.In the months leading up to the invasion, the Allies conducted Operation Bodyguard, the overall strategy designed to mislead the Germans as to the date and location of the main Allied landings.Operation Fortitude included Fortitude North, a misinformation campaign using fake radio-traffic to lead the Germans into expecting an attack on Norway, and Fortitude South, a major deception designed to fool the Germans into believing that the landings would take place at Pas de Calais in July.