... General Sir Frederick Morgan and his team, the nuts and bolts behind the D-Day operation. They appointed SHAEF which stood for the Supreme H.Q. Allied Expeditionary Force which was headed by Eisenhower. One main operation which would prepare the allies for D-Day was that of Dieppe which caused many problems. It was the first time an attempt was made to land tanks to support an infantry assault during the war. This was a disaster as only a few tanks made it out of the beach and they were stopped in the town by concrete road blocks and enemy fire. This taught the allies not do experiment like this again and not to go through with operation Sledge Hammer and also that a huge force would be needed at the point of attack, even if the invasion was to be launched over open beaches. The engineering for operation overlord involved artificial harbours ...

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