This week marks the 75th anniversary of D-day! The invasion of Normandy , or better known as D-day.   The day troops from Britain, America, Canada and France faced   German forces on the coast of Normandy, forming an Allied force of 150,000 soldiers.      Selsey was home to RAF Selsey, in Church Norton, one of the many operational airfields in West Sussex.   Many troops camped and stayed there, awaiting their missions.    Selsey played   a large part in the invasion of Normandy. It helped store the Mulberry Harbours underneath the sea in shallow areas so German planes couldn't see them as they flew overhead. Mulberry Harbours were floating, artificial harbours   designed and constructed by British Military engineers in WW2.   They were then sailed over from the South of England to the North-West of Normandy. Mulberry Harbours were first suggested by Winston Churchill in 1917, then after a failed raid in Germany, 19...