History of Sussex airfields around Sussex. During the lead-up to the D-Day landings, the people of Sussex were witness to the build-up of military personnel and materials, including the assembly of landing crafts and construction of Mulberry harbours off the county's coast. Five new airfields were built to provide additional support for the D-Day landings, four near Chichester and one near Billingshurst. A legacy of the D-Day landings are the sections of Mulberry harbour that lay broken and abandoned on the sea floor off the coast, of Selsey Bill, having missed the invasion. Sussex was an industrial county, from the stone age, with
British logistics in the Normandy Campaign the purpose. During the first seven weeks after the British and Canadian landings in Normandy on D-Day, 6 June 1944, the advance was much slower than anticipated, and the lodgement area much smaller. The short lines of communication provided an opportunity to build up reserves of supplies. Two army roadheads were created, No. 1 Army Roadhead for I Corps and No. 2 Army Roadhead for XXX Corps. When the Canadian First Army assumed control of the British I Corps on 21 June, No. 1 Army Roadhead also passed to its control. No. 2 Army Roadhead formed the nucleus of what