Bognor Regis once part of the Mulberry floating harbours used by the Allies to invade the French coast on D-Day 6 June 1944. It was a part of the Mulberry harbour which broke free in a storm on 4 June, the day before it was due to go over the channel to Arromanche. This particular section of Mulberry was abandoned and did not make it across the Channel. It was washed up on the beach shortly after D-Day. It is clearly visible at low tide throughout the year. There are a number of Mulberry Harbour relics just off the coast of Pagham
D-Day the Sixth of June at the Long Beach Naval Shipyard whilst the beach landing was made at Point Dume California. Before the days of computer-generated imagery director Henry Koster had to make his landing look convincing on his limited budget with two LCVPs and eighty soldiers. In the invasion scene soldiers running out of the two landing craft appear in front of a back projection scene of another take of the same scene giving the appearance of twice as many landing craft and soldiers as there actually were. Unlike many American war films "D-Day the Sixth of June" presents the viewpoints of British characters