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
Australian contribution to the Battle of Normandy successful, and earned Hudspeth his second Distinguished Service Cross (DSC). Nancy Wake, an Australian serving with the British Special Operations Executive, was parachuted into France in April 1944 and subsequently helped to organise the French Resistance in the Auvergne region. On the night of 5/6 June Bomber Command conducted precision attacks on ten German coastal artillery batteries near the beaches where Allied troops were to land. Each battery was targeted by approximately 100 heavy bombers, and all four Australian heavy bomber squadrons took part in the operation. No. 460 Squadron dispatched 26 aircraft, which were evenly split between attacking the