Empire ship the Normandy invasion depended on the successful construction of the Mulberry ports. These were prefabricated ports, constructed at Southampton, Gosport, Portsmouth, Tilbury Docks, and even as far north as Birkenhead and Hartlepool. Two hundred tugs then took three months to tow the components of the harbours from where they were constructed to assembly areas on the South Coast. Between 7 June 1944 and the end of July, the tugs towed the materials across the channel to Normandy. Before D-Day, sixty old merchant ships and four old warships were selected as blockships, to be scuttled in a line to give protection
Liberation of the German-occupied Channel Islands awarded an OBE when a Major with the BEF in June 1940. A small HQ structure was created to look into the planning. On 10 May 1944 Supreme Headquarters Allied Expeditionary Force, (SHAEF) sent a report to Southern Command stating that in the event it became necessary to capture the Channel Islands, this would be undertaken by 21st Army Group, after which Southern Command would take over and "Rankin C" should be reviewed accordingly. Shipping would be available after 15 July, but no troops. Southern Command replied on 22 June 1944, after the Normandy D-Day landings had taken place, that