What was the code name of the officers that knew about the plans for d - day invasion of Normandy ?
A number of plans were eventually drawn up by Morgan and his cadre of staff officers for the invasion of Normandy , finally deciding that the invasion should take place on a thirty - mile front west of the River Orne , rejecting the need to capture the Pas De Calais and the ports there by calling for the creation of prefabricated artificial ports to ferry equipment and troops ashore once the initial landings had occurred .