As Operation Overlord approached the Allies were embarking on the final exercises for troops involved in the invasion. The aim was to rehearse the movement of troops by sea in as realistic manner as possible, with the men making an equivalent length of journey to familiarise them with sea going conditions. It was not always a comfortable experience.
The last of the rehearsal exercises now began on the south coast of England, beginning with Exercise Tiger for the men destined for Utah beach. On the 28th April the Supreme Allied Commander, General Eisenhower was amongst the senior officers watching the manoeuvres at Slapton Sands. His aide Captain H. C. Butcher was accompanying him and recorded the day in his diary: