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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.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


The British Army term for chaplain. The term padre originates from the British Army’s campaign in Spain and Portugal during the Napoleonic Wars.


German armoured or tank units, for example the 21st Panzer Division.


The region of the French coast close to the towns of Calais and Boulogne. The Germans expected the Allies to land in the Pas-de-Calais area in 1944.


Airborne troops who landed just before the main force to set up homing beacons and recognition panels to help them land in the right place.

Perch, Operation

The codename for a British offensive between 7 and 14 June 1944. The operation aimed to encircle and capture Caen from the west. The operation ended after the Battle of Villers Bocage.


The codename for large concrete caissons that were built on the south coast of England in late 1943 and early 1944, and then towed across to Normandy to form the outer breakwaters of the Mulberry harbours.


Pipeline under the ocean, an underwaterpipeline to pump fuel to Normandy after the D-Day landings.