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Cracking the code to D-Day
9:21pm Wednesday 4th June 2014 in News
Code names and acronyms were vital to help maintain the blanket of secrecy in the planning and build-up to the Allied invasion of Europe in 1944.
Here are a few:
:: D-Day: The date of the operation.
:: H-Hour: The hour of the invasion :: Bolero: The build-up to D-Day in Britain.
:: Operation Overlord: The overall invasion plan.
:: Operation Neptune: The seaborne invasion.
:: Mulberry: Artificial harbours towed across the Channel
:: Ham and Jam: The signal indicating the bridges at Benouville (Pegasus Bridge) and Ranville were secured by Allied forces.
:: Utah, Omaha, Gold, Juno and Sword: Code-names for the five landing beaches in Normandy on D-Day.
The words ''doom'', ''debarkation'' and ''deliverance'' have all been suggested as meanings for the ''D'' in D-Day.
But the letter is derived from the word ''Day'' and means the day on which a military operation begins.
D-Day has been used for many different operations but is most closely associated with the Allied landings on Normandy's beaches on June 6 1944.
The day before D-Day was D-1 and the day after was D+1.
It meant that if the date for an operation changed, military planners would not have to change all the dates in their plan.
Such a thing happened for the Normandy landings D-Day, which was originally planned for June 5 1944 - but bad weather delayed it by a day.
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