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D-Day produced thousands of code names, acronyms, abbreviations and many other strange and unusual terms and names!

We have compiled a list of some of the most common terms related to D-Day. If you think something is missing, please let us know.

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"D"

D-Day

The ‘D’ in D-Day does not stand for anything. It comes from the word ‘Day’, and ‘D-Day’ means the day on which a military operation begins. The term “D-Day” has been used for many different operations, but it is most well-known for the Allied landings in Normandy, France on 6 June 1944.

DD tank

Duplex Drive or swimming tank. The DD tank floated with the help of a canvas screen and was powered by a propeller.

de Gaulle, Charles

Charles de Gaulle (1890–1970) was a French general and statesman. He was the leader of Free France (1940–1944) and the head of the Provisional Government of the French Republic (1944–1946).

Deadstick, Operation

The codename for the operation conducted by D Company of the 2nd Battalion of the Oxford and Buckinghamshire (Ox and Bucks) Light Infantry to capture Pegasus Bridge by glider assault in the early hours of D-Day.

DEMS

Defensively Equipped Merchant Ship. An Allied merchant ship that had defensive weapons fitted.

Dieppe

The Allies organised a raid on the French coastal town of Dieppe in 1942, using mainly Canadian troops.

Dragoon, Operation

The Allied landings in Southern France in August 1944. The Dragoon landings were designed to support the landings in Normandy by attacking the German forces in France from the south.

DUKW

A six-wheeled amphibious truck used during the Second World War. Designed and built by General Motors Corporation, it was used by the Allies during the D-Day landings. Its name refers to its model names – D for designed in 1942, U for Utility, K for all-wheel drive and W for dual-tandem rear axles.

Dunkirk

A town in North-East France. In 1940 the British and French armies were forced bacl to Dunkirk by the German armed forces and thousands of troops were evacuated back to Britain.