In 1943, a large manor house near Portsmouth, England, became the headquarters of Admiral Sir Bertram Ramsay, the Allied naval commander for D-Day.
Ramsay’s job was to plan for and direct all of the vessels which would transport men and materials to the Normandy beaches.
It was a huge assignment.
Seven thousand ships and landing craft would be used on June 6, 1944, for the initial invasion.
And thousands more vessels, loaded with men and supplies, would follow in the days and weeks to come.
To aid in the planning, the Royal Navy contracted with a British jig saw manufacturer in secret to construct a very large wall map of the English Channel and adjacent coasts of England and France.
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