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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 military intelligence service of the Wehrmacht, the German Armed Forces during the Second World War.

aerial reconnaissance

Aerial reconnaissance is the observation of enemy activity in a specific place to gather intelligence to aid planning.


Units who land from the air, usually in enemy-occupied territory, either by glider or by parachute. The Allies used airborne forces early on D-Day.

Albany, Mission

The codename for the landings by the US 101st Airborne Division on the western flank of the landing beaches in the early hours of D-Day.


A group of people or countries working together with a common aim. In the context of D-Day the term ‘Allies’ usually refers to the United States of America, Great Britain, Canada, France, Belgium, The Netherlands, Norway, Denmark, Australia, New Zealand, Czechoslovakia, Greece and Poland.

amphibious assault training

Training troops in preparation to land in an assault from the water or sea.


Air Raid Precautions. A British civil defence organisation set up to protect civilians against air-raids.

Atlantic Wall

The Atlantic Wall was the name for the system of coastal defences built by the Germans stretching from the north of Norway to the French-Spanish border. By June 1944 the Atlantic Wall was incomplete – in places it was very strong whereas in other places it did not exist.

Atlantic, Operation

The codename for a Canadian offensive between 18 and 21 July 1944 to capture the city of Caen.


Armoured Vehicle Royal Engineers. A tank modified to be used by British Royal Engineers. AVREs were armed with a Petard Mortar which fired a large projectile designed to destroy bunkers and other fortifications.


El Alamein, Battle of

Two battles were fought at El Alamein in Egypt during the North African campaign of the Second World War. The Second Battle of El Alamein led to the defeat of the Axis forces in North Africa. The British Eighth Army was commanded by Field Marshal Montgomery and the Axis forces were commanded by Rommel.