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
No. 6 Commando No. 6 Commando took part in was Operation Torch, the Allied landings in Algeria in November 1942. Later, it joined the advance into Tunisia in 1943. On 6 June 1944, it participated in the D-Day landings in France as part of Operation Overlord, coming ashore with the 1st Special Service Brigade which was tasked with linking up with the troops from the 6th Airborne Division on the eastern flank of Sword. Following this, No. 6 Commando were used in the defence of the beachhead and the subsequent operations to break out from Normandy before being withdrawn with the rest of