On the river’s edge to the North of the Egg at 50º47’31.19″ N + 1º 24’19.58″ W, a plaque invites remembrance of a moment in time seventy years ago. Exbury House (designated HMS Mastadon) was the centre for training the crews of the landing craft gathered along the length of the Beaulieu River, in preparation for Operation Overlord – the amphibious landings in Normandy on June 6th 1944.