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
The Longest Day (film) used more extensively during a late 1960s re-release of the film. "The Longest Day" was released on DVD on November 6, 2001. The Longest Day (film) The Longest Day is a 1962 epic war film based on Cornelius Ryan's 1959 book "The Longest Day" (1959), about the D-Day landings at Normandy on June 6, 1944, during World War II. The film was produced by Darryl F. Zanuck, who paid author Ryan $175,000 for the film rights. The screenplay was by Ryan, with additional material written by Romain Gary, James Jones, David Pursall, and Jack Seddon. It was directed by Ken