Fortitude South employed similar deception in the south of England, threatening an invasion at Pas-de-Calais by the fictional 1st U.S. Army Group (FUSAG) led by U.S. General George Patton. France was the crux of the "Bodyguard" plan: with Calais as the most logical choice for an invasion, the Allied high command had to mislead the German defences in a very small geographical area. The Pas-de-Calais offered advantages over the chosen invasion site, such as the shortest crossing of the English Channel and the quickest route into Germany. Having a high regard for Patton, German command, particularly Rommel, took steps to heavily fortify that area of coastline. The Allies decided to amplify this belief of a Calais landing.