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Home Glossary

Glossary of WW2 terms and abbreviations

There are 303 entries in this glossary.
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O

Term Definition
Oboe
Code name for British radio-navigational aid used by RAF bombers
Octagon
Code name for the second Quebec conference between Roosevelt and Churchill - September 1944
OFEC
Office of Foreign and Economic Co-ordination (USA)
Oflag
Offizier-Lager - "Officer Camp" German prisoner-of-war camps for Allied officers
OKH
Oberkommando der Heeres - High Command of the German Army
OKL
Oberkommando der Luftwaffe - High Command of the German Air Force
OKM
berkommando der Kriegsmarine - High Command of the German Navy
OKW
Oberkommando der Wehrmacht - High Command of the German Armed Forces
Olive
Operational code name for the Allied assault on the Gothic Line, Italy - August 1944
Omaha
Code name for one of the US Normandy beach landing areas used on D-Day, the site was between Coleville and Vierville
OPD
Operations Division of the US Department of War
OSS
Office of Strategic Services - US military intelligence and special operations agency
Overlord
Operational code name for Allied operations in Normandy and North West Europe, beginning with Operation Neptune on D-Day, 6th June 1944.
OWI
Office of War Information (USA)
Glossary 2.5 is technology by Black Sheep Research

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