Allied List of Operations of World War II
| Name | Description |
| Operation Aberlour | 1944 - Allied attack on Galmanche, France; part of Operation Overlord  [Read More] |
| Operation Accumulator | 1944 - Diversionary Allied naval operation near the Channel Islands before the start of Operation Overlord; part of Operation Neptune  [Read More] |
| Operation Alacrity | 1943 - Allied naval patrols near the Azores |
| Operation Alpha | 1944 - Allied build-up of defenses at Kunming, China |
| Operation Alsos | 1940-1945 - Allied nuclear fission research |
| Operation Anvil | 1944 - Allied invasion of Southern France; later changed to Operation Dragoon  [Read More] |
| Operation Ariel | 1940 - Allied retreat from France using ports between Cherbourg and the Spanish border |
| Operation Astonia | 1944 - Allied attack on Le Havre, France; part of Operation Overlord  [Read More] |
| Operation Atlantic | 1944 - Canadian attack on Caen, France in support of Operation Goodwood  [Read More] |
| Operation Avalanche | 1943 - Allied landing at Salerno, Italy  [Read More] |
| Operation Baytown | 1944 - Allied diversionry landings near the tip of Calabria, Italy; part of Operation Avalanche  [Read More] |
| Operation Berlin | 1944 - Allied withdrawal after failure of Operation Market Garden  [Read More] |
| Operation Big | 1945 - Allied capture of the atomic pile at Haigerloch, Germany |
| Operation Bluecoat | 1944 - Allied attack on River Vire, France; part of Operation Overlord |
| Operation Boardman | 1944 - Allied deceptive operation to create false threat of invasion in Balkans; part of Operation Avalanche  [Read More] |
| Operation Bodyguard | 1944 - Diversionary Allied attack in support of Operation Overlord |
| Operation Bowery | 1942 - Allied delivery of Spitfire fighters to Malta  [Read More] |
| Operation Bravado | 1944 - Allied mine-laying operation around the Kiel Canal to prevent German naval reaction; part of Operation Neptune |
| Operation Calendar | 1942 - Allied delivery of Spitfire fighters to Malta  [Read More] |
| Operation Canter | 1943 - Preliminary assault on forward Mareth Line positions |
| Operation Capital | 1943 - Allied invasion of northern Burma |
| Operation Cartwheel | 1943 - Allied attacks against Japanese targets in the Southwest Pacific Ocean |
| Operation Charmwood | 1944 - Allied attack on Caen, France; part of Operation Overlord |
| Operation Chastity | 1944 - Canceled Allied plan to build artificial harbors at Quiberon Bay, Brittany, France |
| Operation Chettyford | 1944 - Allied deceptive operation to hint a false invasion of the Balkans before the start of Operation Shingle |
| Operation Chronicle | 1943 - Allied landings at Woodlark and Kiriwina Islands off New Guinea in support of Operation Cartwheel  [Read More] |
| Operation Clipper | 1944 - Allied attack on the German Siegfried Line at Geilenkirchen, North Rhine-Westphalia, Germany |
| Operation Cockpit | 1944 - Allied naval airstrike on Sabang, Sumatra  [Read More] |
| Operation Comet | 1944 - Planned Allied airborne attack in the Netherlands; replaced by Operation Market Garden  [Read More] |
| Operation Cottage | 1943 - Allied attack of Kiska, Aleutian Islands, Alaska, United States  [Read More] |
| Operation Countenance | 1941 - Allied invasion of neutral Iran  [Read More] |
| Operation Crimson | 1944 - Allied naval air attack on Sabang, Sumatra |
| Operation Croquet | 1944 - Allied anti-shipping patrols off Norway |
| Operation Crossword | 1945 - Negotiations which led to the German surrender in Italy; known as Operation Sunrise for Americans |
| Operation Culverin | 1943 - Proposed Allied invasion of northern Sumatra |
| Operation Cycle | 1940 - Allied evacuation from Le Havre, France |
| Operation Deadlight | 1945 - Post-war scuttling of German submarines |
| Operation Diadem | 1944 - Allied attack on the German Gustav Line in Italy  [Read More] |
| Operation Diplomat | 1944 - Allied exercise in preparation for joint operations against the Japanese |
| Operation Dove | 1944 - Allied gliderborne attack in Southern Frace; part of Operation Dragoon  [Read More] |
| Operation Dragoon | 1944 - Allied invasion of Southern France; original name was Operation Anvil  [Read More] |
| Operation Dynamo | 1940 - Allied evacuation from Dunkirk, France  [Read More] |
| Operation Encore | 1945 - Allied attack on German mountain positions in Italy |
| Operation Exporter | 1941 - Allied invasion of Syria and Lebanon  [Read More] |
| Operation Ferdinand | 1942 - Allied coastwatchers operating on Japanese-occupied islands in the Pacific Ocean |
| Operation Ferdinand | 1944 - Diversionary Allied attack to create the deception of an attack on Genoa, Italy before the start of Operation Dragoon |
| Operation Flax | 1943 - Allied air operation to disrupt the Axis system of air transport to Africa |
| Operation Fortitude | 1944 - Allied deceptive operations to hint two false invasions before the start of Operation Overlord |
| Operation Frantic | 1943 - The use of Soviet airfields by bombers of Western Allies |
| Operation Gambit | 1944 - Allied usage of X-Craft midget submarines as navigation beacons off Sword and Juno beaches; part of Operation Neptune |
| Operation Gymnast | 1943 - Early name for Operation Torch, the Allied invasion of North Africa  [Read More] |
| Operation Hambone/Copperhead | 1944 - Allied deceptive operation to hint a false invasion of Southern France before the start of Operation Overlord |
| Operation Hurricane | 1944 - Allied bombing of Duisburg and Cologne in North Rhine-Westphalia, Germany |
| Operation Husky | 1943 - Allied invasion of Sicily, Italy  [Read More] |
| Operation Infatuate | 1944 - Allied assault on Walcheren Island, Zeeland, the Netherlands |
| Operation Jael | 1944 - Allied deceptive operation to hint continued Allied focus in the Mediterranean Sea when the Allies had already decided on a cross-Channel invasion |
| Operation Jaywick | 1943 - Anglo-Australian attack on Japanese shipping in Singapore harbor |
| Operation Jericho | 1944 - Low-level Allied air raid on Amiens, France prison to release French Resistance and political prisoners |
| Operation Jubilee | 1942 - Allied invasion of Dieppe, France  [Read More] |
| Operation Kitten | 1944 - Allied advance to the Seine River, France; part of Operation Overlord  [Read More] |
| Operation Lustre | 1941 - Allied reinforcement of Greece |
| Operation Majestic | 1945 - Planned Allied invasion of Japanese home islands; scrapped in favor of Operation Olympic |
| Operation Manna | 1945 - Allied paradrop of food to German-occupied Netherlands |
| Operation Maple | 1944 - Allied mine-laying operation in and at the entrances to the English Channel; part of Operation Neptune |
| Operation Market | 1944 - Allied airborne attack in the Netherlands; part of Operation Market Garden  [Read More] |
| Operation Market Garden | 1944 - Failed Allied attempt to secure bridges over the main rivers of Netherlands |
| Operation Mincemeat | 1943 - Allied deceptive operation for Operation Husky  [Read More] |
| Operation Most III | 1944 - The transfer of captured V-2 rocket components from Poland to Britain; also known as Operation Wildhorn III |
| Operation Musketoon | 1942 - British and Norwegian destruction of a power station in Norway |
| Operation Navvy | 1943 - Allied building of the Tiddim road across the Chin hills in Central Burma. |
| Operation Neptune | 1944 - Allied attack on the Normandy, France beaches; part of Operation Overlord  [Read More] |
| Operation Nipoff | 1946-1947 - The repatriation of 70,000 surrendered Japanese from Burma. About half were repatriated over a three week period in June 1946. The remainder between March and June 1947. |
| Operation Overlord | 1944 - Allied invasion of Normandy, France  [Read More] |
| Operation Pedestal | 1942 - Allied convoy from Gibraltar to Malta  [Read More] |
| Operation Pegasus | 1944 - Allied rescue mission of airborne troops after the failure of Operation Market Garden  [Read More] |
| Operation Perpetual | 1942 - Allied landing at Cap Carbon, Algeria; part of Operation Torch  [Read More] |
| Operation Pirate | 1944 - Allied training exercise at Studland Bay, England, Britain; in preparation to Operation Neptune |
| Plan W | 1942 - Planning between the Allied countries and Ireland to counter a potential German invasion |
| Operation Pluto | 1944 - Allied construction of undersea oil pipelines between Britain and France |
| Operation PM | 1945 - Allied removal of own naval mines off Auckland, New Zealand |
| Operation Pointblank | 1943-1944 - Allied bombing missions aimed at softening German coastal defenses in France |
| Operation Postage Able | 1944 - Allied survey of Normandy, France beaches using X-Craft and divers; in preparation to Operation Neptune |
| Operation Queen | 1944 - Allied offensive operation in and near Roer (Rur) valley, Germany |
| Operation Quicksilver | 1944 - Allied deceptive operation to hint a false invasion of Pas de Calais, France before the start of Operation Overlord; part of Operation Fortitude |
| Operation Reservist | 1942 - Failed Allied attack on Oran, Algeria; part of Operation Torch  [Read More] |
| Operation Roundhammer | 1942 - Revised planning of Operation Roundup, the planned Allied invasion of Europe |
| Operation Roundup | 1942 - Planned Allied invasion of Europe |
| Operation Sabine | 1941 - Allied invasion of Iraq  [Read More] |
| Operation Satin | 1943 - Allied plan to drive between German armies in Tunisia |
| Operation Shingle | 1944 - Allied invasion of Anzio and Nettuno, Italy  [Read More] |
| Operation Skye | 1944 - Allied deceptive operation to hint a false invasion of Norway before the start of Operation Overlord; part of Operation Fortitude |
| Operation Sledgehammer | 1942 - Planned Allied invasion of Cherbourg or Brest, France; part of Operation Roundup |
| Operation Span | 1944 - Allied deceptive operation for Operation Dragoon  [Read More] |
| Operation Stonewall | 1943 - Allied operation to intercept blockade runners in the Bay of Biscay |
| Operation Strike | 1943 - Final phase of the Allied assault on Tunis and Bizerte in North Africa |
| Operation Sunrise | 1945 - Negotiations which led to the German surrender in Italy; also known as Operation Crossword for non-American Allies |
| Operation Super Gymnast | 1943 - Early name for Operation Torch, the Allied invasion of North Africa  [Read More] |
| Operation Tiger | 1944 - Allied training exercise at Slapton, England, Britain; in preparation of Operation Neptune |
| Operation Torch | 1942 - Allied invasion of French Morocco and Algeria  [Read More] |
| Operation Totalize | 1944 - Allied break out from the Normandy, France beachhead along the Caen-Falaise road; part of Operation Overlord  [Read More] |
| Operation Transom | 1944 - Allied naval air raid on Surabaya, Java  [Read More] |
| Operation Trousers | 1944 - Allied training exercise at Slapton, England, Britain; in preparation of Operation Neptune |
| Operation Varsity | 1945 - Allied airborne operation east of the Rhine River; part of Operation Plunder |
| Operation Vulcan | 1943 - Final Allied attack on Tunis, Tunisia |
| Operation Walk | 1943 - UK Guards Brigade attack on Horseshoe Hill at Mareth Line in Tunisia |
| Operation Wildhorn III | 1944 - The transfer of captured V-2 rocket components from Poland to Britain; also known as Operation Most III |
| Operation Zeppelin | 1944 - Allied deceptive operation to hint a false invasion of Crete, western Greece, or the Romanian Black Sea coast before the start of Operation Overlord |
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