Axis List of Operations of World War II
| Name | Description |
| Operation 25 | 1941 - German invasion of Yugoslavia [Read More] |
| Operation 505 | 1943 - German anti-partisan operation in Tuzla, Bosnia, Yugoslavia |
| Operation A-Bewegung | 1939 - German preparation for the invasion of Poland; part of Fall Weiss |
| Operation A-Go | 1944 - Japanese attack of the American fleet off Saipan, Mariana Islands [Read More] |
| Fall Achse | 1943 - German response to Italian surrender to the Allies [Read More] |
| Operation Adler | 1940 - German attacks on the British Royal Air Force, aimed to soften defenses for a future ground invasion; also known as Operation Adlerangriff [Read More] |
| Operation Adler | 1942 - German anti-partisan operation in Chechivichi region of Belorussia |
| Operation Adler | 1943 - Axis anti-partisan operation on the north Dalmatian coast in Yugoslavia, with focus in the cities of Rijeka, Karlobag, and Zadar |
| Operation Adlerangriff | 1940 - German attacks on the British Royal Air Force, aimed to soften defenses for a future ground invasion; also known as Operation Adler [Read More] |
| Operation Aida | 1942 - Axis attacks in Egypt and Libya with aim on Tobruk, Libya |
| Operation Aktion 24 | 1945 - Aborted German suicide aerial attack on bridges over river Weichsel in attempt to disrupt Soviet supply lines |
| Operation AL | 1942 - Japanese invasion of the Aleutian Islands, Alaska, United States |
| Operation Alba | 1942 - Axis anti-partisan operation in the Independent State of Croatia; also known as Operation Albia and Operation Albija |
| Operation Albia | 1942 - Axis anti-partisan operation in the Independent State of Croatia; also known as Operation Alba and Operation Albija |
| Operation Albija | 1942 - Axis anti-partisan operation in the Independent State of Croatia; also known as Operation Alba and Operation Albia |
| Operation Alfa | 1942 - Axis anti-partisan operation in Yugoslavia |
| Operation Alfred | 1940 - German mining off Dover, England, Britain using surface vessels |
| Operation Alpenfestung | 1945 - German plan for a redoubt in the German Alps |
| Operation Alpenveilchen | 1941 - Aborted German intervention during the Italian invasion of Albania |
| Operation Altenbeken | 1940 - German attack on Adalsnes, Norway; part of Operation Weserübung [Read More] |
| Operation Altona | 1940 - German attack on Arendal, Norway; part of Operation Weserübung [Read More] |
| Operation Ambassador | 1940 - German commando raid on British crown dependency Bailiwick of Guernsey off the French coast |
| Operation Amina | 1941 - Failed German attempt to destroy oil refineries in Abadan, Iran |
| Operation Antimon | 1944 - German operations in Romania |
| Fall Anton | 1942 - German occuppation of Vichy France after Italian support in 1942 |
| Operation Arashi | 1945 - Japanese air raid on Ulithi, Caroline Islands |
| Operation Arnim | 1943 - German anti-partisan operation in the Fruška gora Mountains in Syrmia in the Independent State of Croatia |
| Operation Arras | 1944 - Axis anti-partisan operation in the Lipik-Novska-Okucani region in the Independent State of Croatia |
| Operation Artus | 1941 - Irish Republican Army plan to coordinate IRA and German intelligence operations; also known as Plan Kathleen |
| Operation Aster | 1944 - German evacuation of Estonia |
| Operation Attacke | 1943 - German minelaying operation north of Corsica, France |
| Operation Attika | 1942 - German attack on Tuapse, Russia in the Caucasus region |
| Operation Attila | 1940-1942 - German occuppation of Vichy France prior to Italian support in 1942 |
| Operation Aufbau Ost | 1940 - German preparations for Operation Barbarossa [Read More] |
| Operation Ausladung | 1943 - German offensive near Tunis, Tunisia in conjunction with Operation Ochsenkopf |
| Operation B | 1940 - German attack on the Maginot Line on the German-French border; part of Fall Rot [Read More] |
| Operation B | 1941 - Japanese invasion of Sarawak, Borneo [Read More] |
| Operation B | 1942 - Japanese invasion of Burma [Read More] |
| Operation Bamberg | 1942 - German anti-partisan operation in Bobruisk, Belorussia in conjunction with Operation München I |
| Operation Ban-Go | 1944 - Japanese defensive operation at the Irrawaddy River in Burma |
| Operation Barbarossa | 1941 - German invasion of the Soviet Union [Read More] |
| Operation Beethoven | 1941-1945 - German program to develop composite aircraft |
| Operation Beowulf I | 1941 - Planned German offensive of the Baltic States |
| Operation Beowulf II | 1941 - German offensive of the Baltic States |
| Operation Bergwiese | 1944 - Axis anti-partisan operation on the Primošten Peninsula in the Independent State of Croatia |
| Operation Bergwind | 1945 - Axis anti-partisan operation at the Moslavacka Mountains southeast of Zagreb in the Independent State of Croatia |
| Operation Berlin | 1941 - German commerce raid in the Atlantic Ocean performed by Scharnhorst and Gneisenau |
| Operation Bernhard | 1940 - German mining off Dover, England, Britain |
| Operation Bernhard | 1941 - German plan to destablize British economy with counterfeit British banknotes |
| Operation Berta | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Beta | 1942 - Axis anti-partisan operation in Yugoslavia |
| Operation Bettelstab | 1942 - Planned German offensive at Leningrad, Russia |
| Operation Biene | 1940 - German attack on Alsten Island and Sandnessjøen, Norway; part of Operation Weserübung |
| Operation Bienenhaus | 1944 - Axis anti-partisan operation in the Moslavacka Mountains in the Independent State of Croatia |
| Operation Bilo gora | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Bilo gora Ost | 1943 - Axis anti-partisan operation in the Bilo gora Mountains in the Independent State of Croatia |
| Operation Birke | 1944 - German plan to withdraw from northern Finland prior to the Lapland War |
| Operation Birkhahn | 1945 - German evacuation of Norway |
| Fall Blau | 1935 - German defense planning on the eastern border, in tandem with Fall Rot |
| Fall Blau | 1938 - German air force research; later renamed Planstudie 39 |
| Fall Blau | 1942 - German attack against Voronezh, Russia |
| Operation Blaufuchs 1 | 1941 - Staging of German forces from Germany to northern Finland, part of Operation Silberfuchs [Read More] |
| Operation Blaufuchs 2 | 1941 - Staging of German forces from Norway to northern Finland, part of Operation Silberfuchs [Read More] |
| Operation Blei | 1944 - German operations in Romania |
| Operation Blitz | 1944 - Axis anti-partisan operation in the Našice-Ðakovo region of Slovenia, Yugoslavia |
| Operation Blitzableiter | 1939-1945 - German bacteriological weapons research |
| Fall Blume I | 1944 - German defense plan in case of an Allied invasion of Northern France [Read More] |
| Fall Blume II | 1944 - German defense plan in case of an Allied invasion of Southern France [Read More] |
| Operation Blücher | 1942 - German attack on the Strait of Kerch and Rshev, Russia in the Caucasus region; part of Fall Blau |
| Operation Blücher II | 1942 - German attack on the Strait of Kerch in the Caucasus region in Southern Russia; part of Fall Blau |
| Operation Bodden | 1937-1943 - German Abwehr intelligence gathering system in Spain and Morocco |
| Operation Bodenplatte | 1945 - German air raid against Allied airbases in the Netherlands and Belgium in support of Wacht am Rhein |
| Operation Bogdanow | 1941 - German construction operation to build rail bridges between Lida and Molochtschno in Belorussia |
| Operation Brandfackel | 1944 - Axis anti-partisan operation in the Kozara Mountains in the Independent State of Croatia |
| Operation Brandung | 1941 - Axis attack toward El Alamein, Egypt |
| Fall Braun | 1940 - German attacks against the Maginot Line on the French-German border in conjunction with Fall Grün [Read More] |
| Operation Braun | 1942 - German build-up of defenses in Tunis, Tunisia in response to Allied Operation Torch |
| Operation Braun | 1943 - German anti-partisan operation in Yugoslavia |
| Operation Braunschweig | 1942 - German attack toward Stalingrad and the general Caucasus region in Southern Russia; part of Fall Blau [Read More] |
| Operation Braunschweig | 1944 - German anti-partisan operation in the Istria Peninsula, Yugoslavia |
| Operation Bremen | 1940 - German attack in Norway; part of Operation Weserübung [Read More] |
| Operation Brunhild | 1943 - Planned German evacuation from the Caucasus region in Southern Russia |
| Operation Brückenschlag | 1942 - German attempt to break the Russian envelopment of German troops in Demyansk, south of Leningrad, Russia |
| Operation Burdock | 1943 - German anti-partisan operation in Russia |
| Operation Bussard | 1942 - German offensive in the Caucasus region of Southern Russia |
| Operation Büffel | 1940 - German air operation to relieve troops in Narvik, Norway |
| Operation Büffel-Bewegung | 1943 - German evacuation of Rshev, Russia |
| Operation C | 1942 - Japanese reconnaissance and raid operations in the Indian Ocean [Read More] |
| Operation Caesar | 1945 - Failed transfer of technical plans and strategic materials from Germany to Japan, using submarine U-864 |
| Operation Cannae | 1943 - German occupation of Zagreb, Sisak, and Bjelovar in Yugoslavia |
| Operation Cannae | 1944 - Axis anti-partisan operation in the area between the Sava and Drava Rivers in the Independent State of Croatia |
| Operation Capri | 1942 - Axis counterattack at Medenine, Tunisia |
| Operation Cardaci | 1943 - Axis anti-partisan operation near Cardaci in the Independent State of Croatia |
| Operation Casanova | 1944 - Axis anti-partisan operation in the Independent State of Croatia utilizing German aircraft to deceive partisan fighters |
| Operation Castigo | 1941 - German aerial bombing of Belgrade, Yugoslavia |
| Operation Christrose | 1944 - Early name for Wacht am Rhein [Read More] |
| Operation Clausewitz | 1942 - Second phase of the German summer offensive in the Caucasus region of Southern Russia |
| Operation Cottbus | 1942 - German anti-partisan operation in Polotsk, Lepel, and Borisov in Belorussia |
| Operation Cyrill | 1943 - Axis anti-partisan operation at the Glogovnica Canal on the Casma River in the Independent State of Croatia |
| Operation D | 1942 - Japanese invasion of the Andaman Islands [Read More] |
| Operation Dampfhamm | 1942 - Planned German third phase of the German summer offensive in the Caucasus region of Southern Russia |
| Operation Dan-Go | 1944 - Japanese operation after the failed Operation U-Go offensive in India |
| Operation Delphin | 1943 - German anti-partisan operation in the Dalmatian islands in Adriatic Sea |
| Operation Delphin | 1943 - German withdrawal from Saaremaa, Estonia |
| Operation Delta | 1943 - German anti-partisan operation in Western Greece |
| Operation Derfflinger | 1942 - Canceled German pincer operation against Ostazchkov, Russia |
| Operation Dirschau | 1939 - German operation to safeguard the rail bridge at Tczew, Poland during the invasion |
| Operation Domino | 1943 - The second aborted German Arctic sortie by Scharnhorst, Prinz Eugen, and destroyers |
| Operation Donnerkeil | 1942 - German aircraft cover for Operation Cerberus [Read More] |
| Operation Donnerkeil | 1943 - German anti-partisan operation in Yugoslavia |
| Operation Donnerschlag | 1942 - Planned German break-out movement from Stalingrad, Russia |
| Operation Donnerschlag | 1943 - German anti-partisan operation along the river Obdol in Russia |
| Operation Doppelkopf | 1944 - German offensive to relieve troops fighting in Latvia |
| Operation Doppelschlag | 1942 - German anti-shipping operation off Novaya Zemlya by Admiral Scheer and Admiral Hipper |
| Operation Doppelsprung | 1944 - Planned German evacuation of bridgeheads at the river Maas (Meuse) west of Arnhem, the Netherlands |
| Operation Dora | 1942 - German operation to disrupt British supply lines in Southern Libya |
| Operation Draufgänger | 1943 - German anti-partisan operation in Russia |
| Operation Draufgänger | 1944 - German anti-partisan operation in Montenegro, Yugoslavia and in Northern Albania |
| Operation Dreiecke | 1942 - German anti-partisan operation in Bryansk, Russia |
| Operation Dreznica | 1944 - Axis anti-partisan operation in the Velika Kapela Mountains in the Independent State of Croatia to secure a supply route |
| Operation Dubrovnik | 1944 - Axis anti-partisan operation along the road between Zagreb and Varazdin in the Independent State of Croatia |
| Operation Dubrovnik II | 1944 - Axis anti-partisan operation along the road between Zagreb and Varazdin in the Independent State of Croatia; continuation of Operation Dubrovnik |
| Operation Dünkirchen I | 1944 - Axis anti-partisan operation in the Krašic region in the Independent State of Croatia |
| Operation Dünkirchen II | 1944 - Axis anti-partisan operation in the Krašic region in the Independent State of Croatia; continuation of Operation Dünkirchen I |
| Operation E | 1941 - Japanese invasion of Thailand and Northeast Malaya [Read More] |
| Operation Edelwei | 1942 - Axis attack of the oil-rich Caucasus region in southern Russia; part of Operation Braunschweig |
| Operation Eiche | 1943 - German operation to rescue Benito Mussolini from Allied imprisonment |
| Operation Eilbote I | 1943 - German attacks on Allied positions at the Dorsal Mountains in Tunisia |
| Operation Eilbote II | 1943 - Canceled German attacks on Allied positions at the Dorsal Mountains in Tunisia following Operation Eilbote I |
| Operation Einhorn | 1944 - German anti-partisan operation in Greece |
| Operation Eisb | 1943 - German anti-partisan operation in Bryansk, Russia |
| Operation Eisb | 1943 - German invasion of Kos, Greece |
| Operation Eisen | 1940 - German commando operation to occupy the bridge over the Albert Canal in Belgium |
| Operation Eisenhammer | 1943 - Planned German aerial bombing operation against power generators in Moscow and Gorky, Russia |
| Operation Eisfjord | 1943 - German naval bombardment of Spitzbergen, Svalbard Islands, Norway |
| Operation Eissto | 1941 - German air raids against Russian Baltic Fleet at Kronstadt and Leningrad, Russia |
| Operation Elster | 1944 - German agents infiltration into the US to gather intelligence on Manhattan Project |
| Operation Emil | 1944 - Axis anti-partisan operation west of Knin in the Independent State of Croatia |
| Operation Ernteeinbringung | 1944 - German anti-partisan operation east of Zagreb, Yugoslavia |
| Operation Erntefest I | 1943 - German anti-partisan operation west of Ossipovichi, Russia |
| Operation Erntefest II | 1943 - German anti-partisan operation near Minsk and Slutsk, Belorussia |
| Fall Falke | 1940 - German attacks against the Maginot Line on the French-German border; part of Fall Grün [Read More] |
| Operation Falke | 1944 - Axis anti-partisan operation in the Papuk Mountain and Bilo gora Mountains in the Independent State of Croatia |
| Fall Falke | 1944 - German defense plan in case of an Allied invasion of Norway |
| Operation Felix | 1940 - Planned German invasion of Gibraltar via the Iberian Peninsula |
| Operation Ferdinand | 1943 - German anti-partisan operation in the Fruška gora Mountains in Syrmia in the Independent State of Croatia |
| Operation Ferkel | 1943 - Axis anti-partisan operation in the mountains northeast of Tuzla in the Independent State of Croatia |
| Operation Ferkel | 1943 - German anti-partisan operation in Bryansk, Russia |
| Operation Festung | 1940 - German paratrooper attack on the Hague, Rotterdam, Dordrecht, and Moerdijk in the Netherlands; part of Fall Gelb |
| Operation Feuerstein | 1943 - German defensive build-up of the Italian Alpine passes |
| Operation Feuerwehr | 1944 - Failed German anti-partisan operation in Macedonia, Yugoslavia |
| Operation Feuerzange | 1944 - German anti-partisan operation in the Dalmatian islands in Adriatic Sea |
| Operation Feuerzauber | 1936-1939 - German transfer of weapons and personnel to Francisco Franco's forces in the Spanish Civil War [Read More] |
| Operation Feuerzauber | 1942 - Planned German attack on Leningrad, Russia; renamed to Operation Nordlicht |
| Operation Feuerzauber | 1944 - German destruction of bridges near Florence, Italy |
| Operation Fischfang | 1944 - German counterattack to the Allied invasion of Anzio, Italy [Read More] |
| Operation Fischreiher | 1942 - German attack on Stalingrad and Astrakhan, Russia; part of Fall Blau [Read More] |
| Operation Fledermaus | 1941 - German aerial bombing of British airfields |
| Operation Fliederblüte | 1943 - German attack of British units at the 'Banana Ridge' in Tunisia |
| Operation Fliegenfänger | 1944 - German anti-partisan operation in Memici and Osmaci in Bosnia, Yugoslavia |
| Operation Foca | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Forelle | 1944 - German operation to disrupt Russian supply lines on the Danube River near Budapest, Hungary |
| Fall Forelle I | 1944 - German defense plan in case of an Allied invasion of the Balkans via the Adriatic Sea |
| Fall Forelle II | 1944 - German defense plan in case of an Allied invasion of the Balkans via the Aegean Sea |
| Operation Franz | 1943 - German commando operation against British supply lines in Iran |
| Operation Fredericus I | 1942 - German attack on Kharkov, Russia |
| Operation Fredericus II | 1942 - German attack on Odessa, Ukraine as a follow-up operation to Operation Fredericus I |
| Operation Freiheit | 1945 - German destruction of a bridge on the Oder River |
| Operation Freischütz | 1943 - German anti-partisan operation |
| Operation Freischütz | 1944 - Canceled German operation to take the island of Vis off Croatia, Yugoslavia |
| Operation Freischütz | 1944 - German relief operation for troops trapped near Minsk, Belorussia |
| Operation Frieda | 1942 - German anti-partisan operation |
| Operation Fritz | 1941 - Planned German invasion of the Soviet Union; later abandoned in favor of Operation Barbarossa |
| Operation Fronttheater | 1943 - The first aborted German Arctic sortie by Scharnhorst, Prinz Eugen, and destroyers |
| Operation Froschlaich | 1941 - German air raids against Russian Navy at Leningrad, Russia; part of Operation Eisstoss |
| Operation Fruška gora | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Frühling | 1944 - German anti-partisan operation in the Jura Mountains in Southern France |
| Operation Frühlingsanfang | 1944 - German anti-partisan operation at Primorska and Gorenjska in Slovenia, Yugoslavia |
| Operation Frühlingserwachen | 1945 - German counter-attack against Russian troops near Budapest, Hungary |
| Operation Frühlingsfest | 1944 - German anti-partisan operation in Lepel, Belorussia as a follow-up operation of Operation Regenschauer |
| Operation Frühlingssturm | 1945 - Axis anti-partisan operation along the Danube River in the Independent State of Croatia |
| Operation Frühlingswetter | 1944 - Axis anti-partisan operation in the area between Knin and Kistanje in the Independent State of Croatia to secure a supply route |
| Operation Frühlungswind | 1943 - Axis attack on Faid Pass near Sidi bou Zid, Tunisia |
| Operation FS | 1944 - Canceled Japanese plan to isolate Australia by capturing New Caledonia, Samoa, and Fiji |
| Operation FU | 1941 - Japanese invasion of Indochina [Read More] |
| Operation Fu-Go | 1944 - Japanese aerial bombing of the United States via balloons |
| Operation Fuchsjagd | 1944 - Axis anti-partisan operation in the Ivanzcica Mountains in the Independent State of Croatia |
| Operation Fuchsjagd III | 1944 - Axis anti-partisan operation in the Kalnik Mountains in the Independent State of Croatia |
| Operation Föhn | 1944 - Axis anti-partisan operation west of Banja Luka to open the road between Bosanski Novi and Prijedor in the Independent State of Croatia |
| Operation G | 1940 - German paratrooper attack on Ghent in the Netherlands; part of Fall Gelb |
| Operation Gamma | 1943 - German anti-partisan operation in Yugoslavia |
| Operation Gaudo | 1941 - Italian naval action against British ships north of Crete, Greece |
| Operation Geier | 1940 - German attack of the Maginot Line on the French-Germany border north of Kehl, Germany; part of Fall Grün [Read More] |
| Operation Geiserich | 1943 - Axis anti-partisan operation in Split on the coast of the Independent State of Croatia |
| Fall Gelb | 1940 - German invasion of the Low Countries of Belgium, the Netherlands, and Luxembourg [Read More] |
| Operation Gemsbock | 1944 - German anti-partisan operation in the region near the Greek-Albanian border before Operation Einhorn |
| Operation Georg | 1942 - Planned German attack on Leningrad, Russia; renamed to Operation Feuerzauber |
| Operation Gertraud | 1945 - Planned German aerial bombing of hydropower plants east of Moscow, Russia |
| Operation Gertrud | 1942 - Planned German response in case of Turkey joining the Allies |
| Operation Gesellenprüfung | 1943 - German minelaying operation via S-Boats |
| Operation Gisella | 1942 - Planned German invasion of the Iberian peninsula; revised from Operation Isabella |
| Operation Gneisenau | 1940 - German diversionary attack on two bridges on the French-German border; part of Fall Grün |
| Operation Granit | 1940 - German paratrooper attack on Belgian Fort Eben-Emael |
| Operation Greif | 1942 - German anti-partisan operation in Orsha and Witebsk, Belorussia |
| Operation Greif | 1944 - German infiltration of Allied rear areas using Allied uniforms; part of Wacht am Rhein [Read More] |
| Operation Großer Schlag | 1944 - Planned German mass-deployment of fighters against Allied bombers |
| Fall Grün | 1938 - German plan for invasion of Czechoslovakia |
| Fall Grün | 1940 - German attacks against the Maginot Line on the French-German border in conjunction with Fall Braun [Read More] |
| Fall Grün | 1940 - German plan for a diversionary invasion of Ireland in support of Operation Seelöwe |
| Operation Grün | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Grün II | 1943 - Axis anti-partisan operation at the Kupa River between the Sava and the Farkašic-Kravarsko line in the Independent State of Croatia |
| Operation Grüne Bewegung | 1940 - Planned German landing at Brighton, England, Britain; part of Operation Seelöwe |
| Operation Grünpfeil | 1940 - German occupation of the Channel Islands |
| Operation Grünspecht | 1942 - German anti-partisan operation in Bryansk, Russia |
| Operation Gustav | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Günther | 1943 - German anti-partisan operation in Smolensk, Russia prior to Operation Zitadelle |
| Operation Götz v. Berlichingen | 1941 - German air raids against Russian Navy at Leningrad, Russia; part of Operation Eissto |
| Operation H | 1942 - Japanese invasion of Celebes [Read More] |
| Operation Ha-Go | 1944 - Japanese action to isolate and destroy Anglo-Indian forces at Arakan, Burma; precursor to Operation U-Go |
| Operation Habicht | 1940 - German diversionary attack on Mulhouse, France; part of Fall Grün [Read More] |
| Operation Habicht | 1943 - German anti-partisan operation |
| Operation Hagen | 1943 - German operation in the Caucasus region of Southern Russia |
| Operation Hagen Bewegung | 1943 - German evacuation operation near Oryol, Russia |
| Operation Haifisch | 1943 - German anti-partisan operation in Trogir in Croatia, Yugoslavia |
| Operation Haifisch I | 1941 - German deceptive operation to hint a false invasion of Scotland and England, Britain from Norway before the start of Operation Barbarossa |
| Operation Haifisch II | 1941 - German deceptive operation to hint a false invasion of Scotland and England, Britain from Norway before the start of Operation Barbarossa |
| Operation Hamburg | 1943 - German anti-partisan operation in Bryansk, Russia |
| Fall Hanna | 1944 - German defense plan in case of an Allied invasion of Denmark |
| Operation Hannibal | 1941 - German invasion of the island of Lemnos, Greece |
| Operation Hannibal | 1941 - German operation to take the bridge over the Corinth Canal, near Corinth, Greece |
| Operation Hannibal | 1945 - German evacuation of East Prussia, Germany [Read More] |
| Operation Hannover I | 1942 - German operation near Vyazma, Russia |
| Operation Hannover II | 1942 - German anti-partisan operation in the upper Dnieper River region (Belorussia and Ukraine) |
| Operation Harpune | 1941 - German deceptive operation to hint a false invasion of southern England, Britain from France before the start of Operation Barbarossa |
| Operation Hartmut | 1940 - German submarine operations in Norwegian waters |
| Operation Hasenjagd | 1943 - German anti-partisan operation in Gomel, Belorussia |
| Operation Haudegen | 1944 - German intelligence gathering in Spitzbergen, Norway |
| Operation Hecht | 1942 - First German submarine wolfpack raid in the North Atlantic Ocean |
| Operation Heide | 1944 - German flooding of parts of the Netherlands to hinder Allied advance; later renamed to Operation Storch |
| Operation Heinrich | 1944 - German deceptive operation in support of Wacht am Rhein |
| Operation Herbstgewitter I | 1943 - German anti-partisan operation at Peljesac peninsula in the Croatia, Yugoslavia |
| Operation Herbstgewitter II | 1943 - German anti-partisan operation at Peljesac peninsula in the Croatia, Yugoslavia |
| Operation Herbstgewitter III | 1943 - German anti-partisan operations at the islands of Mljet, Hvar, Brac, and Solta off the coast of Croatia, Yugoslavia |
| Operation Herbstgewitter IV | 1943 - German anti-partisan operations at the islands of Mljet, Hvar, Brac, and Solta off the coast of Croatia, Yugoslavia |
| Operation Herbstlaub | 1942 - Canceled German operation in the Caucasus region of Southern Russia, near Krasnoarmeisk, Ukraine and Beketovka, Russia |
| Operation Herbstnebel | 1944 - Rejected German plan to withdraw German troops in Italy behind the Po River |
| Operation Herbstreise | 1940 - Planned German diversionary invasion of Scotland, Britain; part of Operation Seelöwe |
| Operation Herbstzeitlose | 1942 - Canceled German plan to advance to the Don and Volga Rivers in the Caucasus region of Southern Russia |
| Operation Herkules | 1942 - Canceled German airborne invasion of Malta |
| Operation Hermann | 1943 - German anti-partisan operation in Vilnius and Polotsk, Belorussia |
| Operation Hermann | 1945 - German attack on British air units in Belgium and the Netherlands |
| Operation Hermelin | 1943 - German cruiser Lützow operation in the Baltic Sea |
| Operation Heu-Aktion | 1944 - German enslavement of East European children between the age of 10 and 15 to work in the German armament industry |
| Operation Hikari | 1945 - Japanese reconnaissance of Ulithi Atoll, Caroline Islands; part of Operation Arashi |
| Operation Himmler | 1939 - German staged attacks in Poland to justify invasion; part of Fall Weiss |
| Operation Hinein | 1944 - German submarine operation against an Allied convoy in the North Atlantic Ocean |
| Operation Hohes Venn | 1944 - German paratrooper operation as a part of Operation Greif of Wacht am Rhein |
| Operation Holzauge | 1942 - German activities in Greeland |
| Operation Hornbläser | 1942 - Planned German attack on Alexandria harbor, Egypt |
| Operation Hornung | 1943 - German anti-partisan operation |
| Operation Horrido | 1944 - German anti-partisan operation in Thessaloniki, Greece |
| Operation Hubertus | 1943 - German anti-partisan operation in Pindus Mountains region of Greece |
| Operation Hummel | 1940 - German intelligence gathering for Operation Seelöwe |
| Operation Hummer | 1940-1945 - German infiltration of Britain |
| Operation Hundesohn | 1944 - German occupation of Sofia, Bulgaria |
| Operation Husar | 1943 - Canceled German anti-shipping operation in Kara Sea by Lützow |
| Operation I | 1943 - Japanese air raid against Allied advances on New Guinea and Guadalcanal, Solomon Islands |
| Operation Ibex | 1944 - German air raids on London and other nearby British cities |
| Operation Ichi-Go | 1944 - Japanese attack in Eastern China to link up Northern China and Indochina [Read More] |
| Operation Ikarus | 1940 - Planned German invasion of Iceland in response to British Operation Fork; originally planned to launch in conjunction with Operation Seelöwe [Read More] |
| Operation Ilona | 1942 - Planned German invasion of the Iberian peninsula; revised from Operation Isabella |
| Operation Iltis | 1944 - German anti-partisan operation in Thessaloniki, Greece |
| Operation Ingeborg | 1944 - Axis anti-partisan operation east of Karlovac and north of the Kupa River in the Independent State of Croatia |
| Operation Insel | 1943 - German action at Hydra Island, Greece |
| Operation Irak | 1941 - German deployment of aircraft to Iraq |
| Operation Isabella | 1941 - Planned German invasion of the Iberian peninsula |
| Operation Istrien | 1943 - German anti-partisan operation in Northern Italy |
| Operation Ivan | 1943 - Axis anti-partisan operation in the Moslavacka Mountains in the Independent State of Croatia |
| Operation J | 1942 - Japanese invasion of the Dutch East Indies [Read More] |
| Operation Jacob | 1942 - German anti-partisan operation in Uzda, Belorussia |
| Operation Jajce | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Jajce | 1944 - Axis anti-partisan operation in the Vrbas Valley in the Independent State of Croatia |
| Operation Jajce II | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Jajce III | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Judas | 1944 - German anti-partisan operation in Bulgaria |
| Operation Juno | 1940 - German naval operation against British shipping off Narvik, Norway [Read More] |
| Operation Juno | 1940 - German naval operation to disrupt Allied supplies to Norway |
| Operation K | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation K-1 | 1942 - Japanese reconnaissance and air raid on Pearl Harbor, Hawaii, United States [Read More] |
| Operation K-2 | 1942 - Japanese reconnaissance and air raid on Pearl Harbor, Hawaii, United States [Read More] |
| Operation Ka | 1942 - Japanese plan to destroy the American fleet and recapture Guadalcanal, Solomon Islands |
| Kampf um Rom | 1944 - German defense plan for the Nettuno area in Italy |
| Operation Kan-Go | 1944 - Japanese defensive plan in Southern Burma |
| Operation Karin | 1943 - German deployment of naval vessels in the English Channel |
| Operation Karlsbad | 1941 - German anti-partisan operation in the Berezina River region of Belorussia |
| Operation Karlshafen | 1940 - German attack against Kristiansand, Norway; part of Operation Weserübung |
| Operation Kastanie | 1944 - Axis anti-partisan operation in the Prijedor-Sanski Most-Omarska area in the Independent State of Croatia |
| Operation Kasten | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Kathleen | 1940 - Planned German invasion of Ireland |
| Operation Kaub | 1944 - Axis anti-partisan operation at the Sava River in the Independent State of Croatia, destroying all boats and ferries |
| Operation KE | 1943 - Japanese evacuation of Guadalcanal, Solomon Islands [Read More] |
| Operation KE | 1943 - Japanese evacuation of Kiska, Aleutian Islands, Alaska, United States [Read More] |
| Operation Ken | 1945 - Planned Japanese operation to use transports to land suicide troops on American airfields in the Mariana Islands |
| Operation Ketsu-Go | 1945 - Japanese defense plan against potential American invasion of the Japanese home islands |
| Operation Kiebitz | 1943 - German POW rescue operation via submarine into the St. Lawrence River in Canada |
| Operation Kikusui | 1945 - Japanese special attack against American ships off Okinawa, Japan [Read More] |
| Operation Klabautermann | 1942 - German operation against Russian supply lines near Leningrad, Russia |
| Operation Klara | 1943 - Axis anti-partisan operation in the Velika Kladuša area in the Independent State of Croatia |
| Operation Klašnice | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Klette I | 1942 - German anti-partisan operation in Bryansk, Russia |
| Operation Kon | 1944 - Japanese defensive operation on Biak Island, New Guinea |
| Operation Kon-Go | 1945 - Planned Japanese offensive against American ships using manned torpedoes |
| Operation Konrad | 1945 - Axis attack near Budapest, Hungary to relieve the sourrnded city |
| Operation Konstantin | 1943 - German seizure of Italian equipment and territory upon the Italian surrender [Read More] |
| Operation Kopenhagen | 1943 - German defensive build-up of the French and Italian Alpine passes |
| Operation Koralle | 1944 - German anti-partisan operation in the Sporades Islands, Greece; previously named Operation Neptun |
| Operation Kormoran | 1943 - German anti-partisan operation in Minsk and Borisov, Belorussia |
| Operation Kornblume | 1944 - Axis anti-partisan operation in the Fruška gora Mountains in the Independent State of Croatia |
| Operation Kozara | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Krause I | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Krause II | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Kreml | 1942 - German deceptive operation in support of Operation Edelwei |
| Operation Kreuzotter | 1944 - German anti-partisan operation in Greece |
| Operation Kreševo | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Krimhilde Bewegung | 1943 - German evacuation of the Caucasus region in Southern Russia |
| Operation Kuckucksei | 1943 - Canceled German attack on British units at the Fondouk Pass, Tunisia |
| Operation Kugelblitz | 1943 - Axis anti-partisan operation in the area between Rogatica and Vlasenica in the Independent State of Croatia |
| Operation Kugelblitz | 1943 - German anti-partisan operation near Vitebsk, Belarus |
| Operation L | 1942 - Japanese landing operation in Palembang, Sumatra |
| Operation Lachsfang | 1942 - Planned combined German and Finnish attack against Kandalaksha and Belomorsk, Russia |
| Operation Landbrücke | 1942 - German attempt to hold a narrow connection near Demyansk, south of Leningrad, Russia to prevent envelopment |
| Operation Landsturm | 1943 - German anti-partisan operation in Makarska in Croatia, Yugoslavia |
| Operation Landwirt | 1944 - German submarine operation against the Allied fleet off France during the Normandy invasion [Read More] |
| Operation Lauffeuer | 1944 - Axis anti-partisan operation in the area south of Sid and near Ilok in Syrmia in the Independent State of Croatia |
| Operation Laura | 1944 - Proposed German evacuation of Courland, Latvia |
| Operation Lawine | 1945 - Axis anti-partisan operation in the Lašva Valley and Travnik the Independent State of Croatia |
| Operation Leander | 1943 - German anti-partisan operation across the Lika Mountains to Zadar on the coast of the Independent State of Croatia after the Italian surrender |
| Operation Lehrgang | 1943 - German evacuation of Sicily, Italy over the Strait fo Messina [Read More] |
| Operation Lel | 1941 - German diversionary plan in support of Operation Beowulf II; part of Operation Nordwind |
| Operation Leopard | 1943 - German landings on Leros of the Dodecanese Islands, Greece [Read More] |
| Operation Lichtermeer | 1940 - German air attack against British airfields for bombers |
| Operation Lichtschlag | 1942 - Canceled German attack north of Cholm, Russia near the Lovat and Kunya Rivers |
| Operation Lika | 1943 - Planned German anti-partisan operation against Josip Broz Tito in Yugoslavia |
| Operation Lila | 1942 - German attempt to capture French fleet at Toulon, France |
| Operation Loge | 1940 - German 65-day air offensive against London, England, Britain |
| Operation Luchs | 1940 - Planned German breakthrough between Breisach and Strasbourg, France; part of Fall Grün |
| Operation Lucie | 1940 - Planned German invasion of the Dutch island of Texel in the North Sea |
| Operation Ludwig | 1944 - German plan against an Allied landing at Livorno, Italy |
| Operation Luftparade | 1940 - German night raid against British air bases |
| Operation Lug | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Lupo | 1942 - Italian convoy missions to Tripoli, Libya |
| Operation Lüttich | 1944 - German counter-offensive at Mortain, France in response to Operation Cobra |
| Operation Löwe | 1940 - Planned German invasion of Britain; precursor of Operation Seelöwe |
| Operation M | 1941 - Japanese invasion of the Philippine Islands [Read More] |
| M.43 | 1942 - Italian convoy missions to Tripoli, Libya |
| Operation Maibaum | 1944 - German anti-partisan operation in Vlasenica in Bosnia, Yugoslavia |
| Operation Maigewitter | 1943 - German anti-partisan operation |
| Operation Maigewitter | 1944 - German anti-partisan operation in Northern Greece |
| Operation Maigewitter | 1945 - German anti-partisan operation in Tuzla in Bosnia, Yugoslavia |
| Operation Maikäfer | 1942 - German anti-partisan operation in Babruysk, Belorussia |
| Operation Malaria | 1942 - German anti-partisan operation in Osipovichi, Belorussia |
| Operation Manjaca Mountains | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Fall Marder | 1944 - German defense plan in case of an Allied invasion of Italy; activated after Allies launched Operation Shingle [Read More] |
| Fall Marder I | 1944 - German defense plan in case of an Allied invasion of Italy via the Ligurian Sea; part of Fall Marder |
| Fall Marder II | 1944 - German defense plan in case of an Allied invasion of Italy via the Adriatic Sea; part of Fall Marder |
| Operation Margarethe I | 1944 - German occupation of Hungary |
| Operation Margarethe II | 1944 - German occupation of Romania |
| Operation Marianne | 1940 - German motorboat action off Dover, England, Britain |
| Operation Marita | 1941 - German invasion of Greece [Read More] |
| Operation Martin | 1944 - Planned German attack of the Ardennes region as proposed by Gerd von Rundstet; rejected by Adolf Hitler for being too conservative |
| Operation Maus | 1942 - Axis drive toward the Caucasus region in Southern Russia |
| Operation Merkur | 1941 - German invasion of Crete, Greece [Read More] |
| Operation Merkur | 1943 - Axis anti-partisan operation in the Krbavsko Polje plain in the Independent State of Croatia |
| Operation Messer | 1944 - German mining of the Ligurian Sea off Northern Italy |
| Operation MI | 1942 - Failed Japanese invasion of Midway Island [Read More] |
| Operation Michael | 1943 - Canceled German evacuation of Crimea |
| Operation Mirko | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Mitte | 1941 - German attack on Hiiumaa, an island off Estonia; part of Operation Siegfried |
| Operation Mitte Juli | 1942 - German anti-partisan operation |
| Operation Mittelmeer | 1940-1941 - German reinforcement of the Italian Regia Aeronautica in the Mediterranean Sea |
| Operation MO | 1942 - Aborted Japanese invasion of Port Moresby, New Guinea [Read More] |
| Operation Mondscheinsonate | 1940 - German night raid on Coventry, England, Britain |
| Operation Moorbrand | 1942 - Canceled German attack near Pogostje, Russia |
| Operation Morgenluft | 1943 - German attack on Gafsa, Tunisia |
| Operation Morgenröte | 1940 - German attack on several Dutch bridges [Read More] |
| Operation Morgenröte | 1944 - German counterattack to the Allied invasion of Anzio and Nettuno, Italy [Read More] |
| Operation Morgenstern | 1944 - Axis anti-partisan operation in the Krbavsko Polje plain in the Independent State of Croatia |
| Operation Morgenwind I | 1944 - German landing on the island of Brac off the coast of Croatia, Yugoslavia |
| Operation Morgenwind II | 1944 - German landing on the island of Solta off the coast of Croatia, Yugoslavia |
| Operation Moslavacka gora | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation München | 1944 - German fallback to the Arno River in the Tuscany region of Italy |
| Operation München I | 1942 - German anti-partisan operation in Belorussia |
| Operation München II | 1942 - German anti-partisan operation in Radoshkovichi, Belorussia |
| Operation Märzfieber | 1942 - German anti-partisan operation in Belorussia |
| Operation Möwe I | 1942 - Planned German operation to sabotage aluminum factories in southern Scotland, Britain |
| Operation Möwe V | 1944 - Canceled German plan to land agents in Scotland, Britain |
| Operation N | 1940 - German paratrooper attack of Namur, Belgium |
| Operation Nachbarhilfe I | 1943 - German anti-partisan operation in Bryansk, Russia |
| Operation Nachbarhilfe II | 1943 - German anti-partisan operation in Mglin, Russia |
| Operation Napfkuchen | 1944 - German anti-partisan operation in Yugoslavia |
| Operation Nau | 1941 - German diversionary plan in support of Operation Beowulf II; part of Operation Nordwind |
| Operation Naumburg | 1940 - German landing at Narvik, Norway [Read More] |
| Operation Nebelübung | 1940 - Planned German invasion of Liège, Belgium; part of Fall Gelb |
| Operation Nelly U | 1943 - German towing of a 3,000-ton drydock from Mariupol to Odessa, Ukraine |
| Operation Neptun | 1943 - German counter-offensive at Myschanko-Berg during the Battle of Stalingrad |
| Operation Neptun | 1944 - German anti-partisan operation in the Sporades Islands, Greece; later renamed to Operation Koralle |
| Operation Neuland | 1942 - German submarine operation in the Caribbean Sea |
| Operation Nibelungenfahrt | 1944 - Axis anti-partisan operation in the Krbavsko Polje plain in the Independent State of Croatia |
| Operation Nienburg | 1940 - German action against Narvik, Norway; part of Operation Weserübung [Read More] |
| Operation Niwi | 1940 - German troop deployment in Belgium; part of Fall Gelb [Read More] |
| Operation Nord | 1940 - German warship Admiral Scheer's raid in the North Atlantic Ocean |
| Operation Nord | 1940 - Planned German invasion of Denmark and Norway; later renamed to Operation Weserübung [Read More] |
| Operation Nordlicht | 1942 - Planned German attack on Leningrad, Russia; formerly planned as Operation Feuerzauber |
| Operation Nordlicht | 1944 - German withdrawal from the Kola Peninsula into Norway after Finland switched sides |
| Operation Nordlicht-Bewegung | 1944 - German troop deployment in Finland |
| Operation Nordmark | 1940 - German attacks against Allied ships convoys between Britain and Scandinavia |
| Operation Nordpol | 1941 - German counter-intelligence operation in the Netherlands |
| Operation Nordpol | 1942 - Canceled German operation east of Moscow, Russia |
| Operation Nordsee | 1942 - German anti-partisan operation in Mogilev, Belorussia |
| Operation Nordseetour | 1940 - The first German Atlantic operation of Admiral Hipper |
| Operation Nordwest | 1939 - German study for a potential invasion of Britain; parts of Operation Nordwest was integrated into Operation Seelöwe |
| Operation Nordwind | 1941 - German diversionary invasion of the island of Saaremaa, Estonia in support of Operation Beowulf II |
| Operation Nordwind | 1945 - German offensive in Alsace and Lorraine in northeastern France in conjunction with Wacht am Rhein [Read More] |
| Operation Nussknacker | 1944 - German torpedo boat operation off Corsica, France |
| Operation Nürnberg | 1943 - Planned German response in case of an Allied invasion of the Iberian peninsula, centering largely around the defense of the Pyrenees passes |
| Operation Ochsenkopf | 1942 - German counterattacks in attempt to expand the Tunis, Tunisia perimeter |
| Operation Odysseus | 1944 - German naval deployment in the Adriatic Sea and Aegean Sea |
| Operation Oldenburg | 1940 - German aerial reconnaissance of Russia natural resources |
| Operation Oldenburg | 1940 - German attack on Oslo, Norway; part of Operation Weserübung [Read More] |
| Operation Olivenernte | 1943 - Canceled German attack on Majaz al Bab, Tunisia |
| Operation Olymp | 1942 - German anti-partisan operation in Greece |
| Operation Orange | 1943 - German convoy off Temryuk, Southern Russia in the Sea of Azov |
| Operation Orkan | 1942 - Canceled German attack in the Belyov-Yukhnov area in Russia |
| Operation Orkan II | 1942 - German anti-partisan operation in Lublin, Poland |
| Operation Oskar | 1940 - German motorboat action off Dover, England, Britain |
| Operation Ost | 1939 - German operation in Southern Poland near the border with Czechoslovakia |
| Operation Ost | 1941 - German attack on Hiiumaa, an island off Estonia; part of Operation Siegfried |
| Generalplan Ost | 1942 - German plan for genocide throughout Europe [Read More] |
| Operation Ostern | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Ostfront | 1943 - The final German operation of Scharnhorst to intercept convoy JW-55B |
| Fall Otto | 1937 - German plan to occupy Austria |
| Operation Otto | 1938 - German plan to establish a puppet government in Austria |
| Operation Otto | 1940 - German preparations for Operation Barbarossa [Read More] |
| Operation Otto | 1943 - Axis anti-partisan operation in the Grmec Mountains in the Independent State of Croatia |
| Operation Ozren | 1941-1942 - German anti-partisan operations near Ozren, Yugoslavia |
| Operation Ozren | 1943 - Axis anti-partisan operation in the Sunja area in the Independent State of Croatia |
| Operation Paderborn | 1943 - The third and successful German transfer of Scharnhorst and destroyers from the Baltic Sea to Narvik, Norway |
| Operation Panther | 1940 - German attacks on Strasbourg, France; part of Fall Braun [Read More] |
| Operation Panther | 1943 - German anti-partisan operation at Mesovan Pass in Southeastern Croatia, Yugoslavia |
| Operation Panther | 1943 - German anti-partisan operation in Greece |
| Operation Panther | 1943 - German anti-partisan operation near Kursk, Russia after Operation Zitadelle |
| Operation Panzerfaust | 1943 - German operation to kidnap the son of Miklós Horthy's son to prevent Horthy from siding with the Allies; codename later changed to Maus |
| Operation Panzerfaust | 1944 - German occupation of Hungary |
| Operation Parnass | 1943 - German anti-partisan operation in Lamia, Greece |
| Operation Pastorious | 1942 - German plan to sabotage industrial targets at Long Island, New York, United States |
| Operation Paukenschlag | 1942 - German submarine campaign against shipping off the east coast of the United States; nicknamed 'Second Happy Time' |
| Operation Paula | 1940 - German aerial bombing of French countryside |
| Operation Paula | 1943 - German anti-partisan operation north of the Sava River in Serbia, Yugoslavia |
| Operation Petrinja | 1943 - Axis anti-partisan operation at the Okucani-Lipik-Banova Jaruga-Novska area in the Independent State of Croatia |
| Operation Petrova gora I | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Petrova gora II | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Pfingstausflug | 1944 - German anti-partisan operation in Polotsk and Lepel, Belorussia |
| Operation Pfingsten | 1943 - Axis anti-partisan operation in the Prnjavor-Kotor Varoš-Teslic area in the Independent State of Croatia |
| Plan Kathleen | 1941 - Irish Republican Army plan to coordinate IRA and German intelligence operations; also known as Operation Artus |
| Plan Z | 1939 - German plan to expand the Kriegsmarine to match the strength of the British Royal Navy |
| Operation Planspiel III | 1940 - German breakthrough of the Maginot Line between Teting und Wittring, France [Read More] |
| Planstudie 39 | 1939 - German air force research |
| Operation Platinfuchs | 1941 - German attack towards Murmansk, Russia from Finnish Petsamo, part of Operation Silberfuchs [Read More] |
| Operation Polarfuchs | 1941 - German attack towards Kandalaksha, Russia from Finnish Lapland, part of Operation Silberfuchs [Read More] |
| Operation Polarnacht | 1942 - German deployment of battleship Tirpitz from Wilhelmshaven, Germany to Trondheim, Norway |
| Operation Poseidon | 1943 - German operation against British troops on the Greek island of Samos; part of Operation Zwischenspiel |
| Operation Prijedor | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Provincia di Lubiana | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Prüfstand XII | 1944 - German program to develop submarine launched V-2 rockets |
| Operation Puma | 1943 - German anti-partisan operation in Greece |
| Operation R | 1942 - Japanese invasion of Rabaul, New Britain and Kavieng, New Ireland [Read More] |
| Operation Rabat | 1943 - German plan to kidnap the Pope from the Vatican City |
| Operation Ratweek | 1944 - German ground and air attack on partisans on the Balkan peninsula |
| Operation Raubtier | 1942 - Canceled German attack toward the Volkhov River near Leningrad, Russia |
| Operation Raubvogelkäfig | 1940 - German attack on the Maginot Line; part of Fall Grün [Read More] |
| Operation Raureif | 1943 - Axis anti-partisan operation in Turbe in the Independent State of Croatia |
| Operation Regatta | 1942 - German anti-partisan operation in the Smolensk-Gorky area in Russia |
| Operation Regatta I | 1943 - German artillery bombardment of the Strait of Kerch between the Black Sea and the Sea of Azov |
| Operation Regenbogen | 1942 - The failed German attack on Arctic convoy JW-51B by Admiral Hipper and Lützow |
| Operation Regenbogen | 1945 - Rescinded German order to scuttle German ships at the end of the war |
| Operation Regenschauer | 1944 - German anti-partisan operation in Lepel and Polozk in Belorussia |
| Operation Regenschirm | 1940 - German aerial bombing of Birmingham, England, Britain |
| Operation Regenwurm | 1945 - German plan to move V-2 rockets to avoid Allied air strikes |
| Operation Reinhard | 1943 - German systematic murder of Polish intelligentia; phase I of the German 'Final Solution' [Read More] |
| Operation Reinhard | 1944 - Axis occupation of ore mines in and around Ljubija in the Independent State of Croatia |
| Operation Renate | 1941 - German motorboat action off Dover, England, Britain |
| Operation Renate | 1944 - Axis anti-partisan operation on the Murter Peninsula in the Independent State of Croatia |
| Operation Renntier | 1941 - German occupation of Finnish Petsamo; part of Operation Silberfuchs [Read More] |
| Operation Renntier | 1944 - German anti-partisan operation in Greece |
| Operation Rheinübung | 1941 - The planned German attacks on Allied shipping conducted by Bismarck and Prinz Eugen |
| Fall Richard | 1937 - German contingency planning for Soviet takeover of Spain |
| Operation Richard | 1943 - Axis anti-partisan operation near Razboj in the Independent State of Croatia |
| Operation Richard | 1944 - German defense plan in case of an Allied invasion of Italy; activated after Allies launched Operation Shingle |
| Operation Risnjak | 1942 - Italian anti-partisan operation in coastal region of Yugoslavia |
| Operation Ristow | 1943 - Axis anti-partisan operation between Bosanski Novi and Prijedor in the Independent State of Croatia |
| Operation RO | 1943 - Japanese defensive plan against Allied attacks on Rabaul, New Britain |
| Fall Rot | 1935 - German defense planning on the western border, in tandem with Fall Blau |
| Fall Rot | 1937 - Planned German invasion of Czechoslovakia |
| Fall Rot | 1939 - German bombing of Wielun, Poland; part of Fall Wei [Read More] |
| Fall Rot | 1940 - German invasion of France [Read More] |
| Operation Rouen | 1944 - Axis anti-partisan operation at the Kalnik Mountains south of the Ludbreg-Koprivnica Line in the Independent State of Croatia |
| Operation Rumpelkammer | 1944 - Start of the German V-1 rocket attack against London, England, Britain |
| Operation Rübezahl | 1944 - German anti-partisan operation in Montenegro, Yugoslavia |
| Operation Rügen | 1937 - German bombing of Guernica, Spain [Read More] |
| Operation Röslein | 1944 - German anti-partisan operation in Macedonia, Yugoslavia |
| Operation Rösselsprung | 1942 - German naval operation to attack Arctic convoy PQ-17 |
| Operation Rösselsprung | 1944 - German attempt to capture Josip Broz Tito |
| Operation S | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Safari | 1943 - German SS operation to disband the Danish military |
| Operation Salaam | 1941 - German plan to make contact with Egyptian nationalists |
| Operation Sandmann | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Sarajevo | 1944 - Axis anti-partisan operation west of the Sesvete-Varazdin road in the Independent State of Croatia |
| Operation Schach | 1944 - Axis anti-partisan operation in the Kordun and Banija regions in the Independent State of Croatia |
| Operation Schamil | 1942 - Planned German operation to secure Caucasus oil fields in Southern Russia with paratroopers |
| Operation Scharnhorst | 1940 - German deceptive attack in the Saarbrücken region; part of Fall Grün |
| Operation Schlussjagd | 1941 - German attack at Tula, Russia during the offensive toward Moscow |
| Operation Schlüsselblume | 1944 - Axis anti-partisan operation in western Slavonia in the Independent State of Croatia |
| Operation Schnee | 1942 - German supply mission to Norway |
| Operation Schneegestöber | 1944 - German operation to find and capture Josip Broz Tito's headquarters in Yugoslavia |
| Operation Schneeman | 1945 - German offensive in the Netherlands in conjunction with Wacht am Rhein |
| Operation Schneeschmelze | 1944 - Axis anti-partisan operation in the Zaprešic-Krapinske Toplice-Klanjec area in the Independent State of Croatia |
| Operation Schneesturm | 1943 - German anti-partisan operation in Bosnia, Yugoslavia |
| Operation Schnepfe | 1943 - German anti-partisan operation north of Vitebsk, Belorussia in conjunction with Operation Wildente |
| Operation Schwarz | 1943 - Axis anti-partisan operation in Montenegro and Herzegovina, Yugoslavia |
| Operation Schwarz | 1943 - German plan in the event of an Italian surrender |
| Operation Seehund | 1943 - German submarine mining operation |
| Operation Seelöwe | 1940 - Planned German invasion of Britain; Anglicized as 'Sealion' |
| Operation Seemöwe | 1940-1945 - German agents infiltration into Britain and Ireland |
| Operation Seeräuber | 1943 - Failed German landing on the island of Brac off the coast of Croatia, Yugoslavia |
| Operation Sho I | 1944 - Japanese attack of the American fleet off Leyte, Philippine Islands; part of Operation Sho-Go [Read More] |
| Operation Sho II | 1944 - Japanese defense plan for Formosa and the Ryukyu Islands, Japan; part of Operation Sho-Go |
| Operation Sho III | 1944 - Japanese defense plan for Honshu, Japan; part of Operation Sho-Go |
| Operation Sho IV | 1944 - Japanese defense plan for Hokkaido, Japan; part of Operation Sho-Go |
| Operation Sho-Go | 1944 - Japanese defense plan against American advances toward Japan [Read More] |
| Operation Siegfried | 1941 - German attack on Hiiumaa, an island off Estonia; part of Operation Beowulf II |
| Operation Siegfried | 1942 - German attack toward Stalingrad and the general Caucasus region in Southern Russia; part of Fall Blau |
| Operation Siegfried | 1943 - German plan to deploy Italian units to Southern France after Italian surrender |
| Operation Silberfuchs | 1941 - German attack on Murmansk, Russia; Anglicized as 'Silver Fox' [Read More] |
| Operation Silberstreife | 1942 - Planned German operations against Allied convoys to Murmansk, Russia |
| Operation Sirio | 1942 - Italian convoy missions to Tripoli, Libya |
| Operation Sizilien | 1943 - German raid upon Allied occupied Spitzbergen Island, Svalbard Islands, Norway |
| Operation Skorpion | 1941 - Axis attack on the Halfaya Pass on the border of Libya and Egypt |
| Operation Skorpion | 1942 - German attack on Halfaya Pass, on the border of Libya and Egypt |
| Operation Sommernachtstraum | 1941 - Axis attack on British supply depots at Bir Khirreigat, Egypt |
| Operation Sonderaktion Krakau | 1939 - German operation to murder members of the intelligentsia at univerisites in Kraków, Poland |
| Operation Sonnenaufgang | 1944 - German attack on Allied units at Anzio, Italy [Read More] |
| Operation Sonnenblume | 1940 - German response to British Operation Compass offensive in North Africa; deployment of the German Afrika Korps in North Africa [Read More] |
| Operation Sonnenwende | 1945 - German attack of Russian troops in Choszczno, Pomerania, Germany |
| Operation Spark | 1940 - Planned German assassination against Adolf Hitler and coup d'état against the Nazi German government |
| Operation Sportpalast | 1942 - Fail German naval operation to attack Arctic convoys PQ-12 and QP-8 |
| Operation Sportpalast | 1942 - German deployment of warships Prinz Eugen and Admiral Scheer to Norway |
| Operation Spätlese | 1942 - German anti-partisan operation north of Smolensk, Russia |
| Operation Stadthagen | 1940 - German attack on Stavanger, Norway; part of Operation Weserübung [Read More] |
| Operation Stahl | 1940 - German commando operation to occupy a bridge near Veldwezelt, Belgium [Read More] |
| Operation Steinadler | 1944 - German anti-partisan operation in Eastern Greece |
| Operation Steinbock | 1944 - German bombing of London and Southern England, Britain |
| Operation Steinschlag | 1944 - Axis anti-partisan operation near Otocac and Vrhovine in the Independent State of Croatia |
| Operation Stella Polaris | 1944 - Transfer of Finnish intelligence records, equipment, and personnel to Sweden at the end of the Continuation War to avoid Soviet capture |
| Operation Stimmung | 1941 - German diversionary plan in support of Operation Beowulf II; part of Operation Nordwind |
| Operation Storch | 1944 - German flooding of parts of the Netherlands to hinder Allied advance; previously named Operation Heide |
| Operation Strafe | 1941 - German bombing of Belgrade, Yugoslavia; part of Operation 25 |
| Operation Strafe | 1941 - Planned German invasion of Bulgaria |
| Operation Student | 1944 - German plan to restore Benito Mussolini's power in Italy |
| Operation Sturmflut | 1941 - German attack on Kasserine Pass, Tunisia |
| Operation Störfang | 1942 - German attack on Sevastopol, Ukraine |
| Operation Stösser | 1944 - German airborne drop behind Allied lines; part of Wacht am Rhein |
| Operation Sumpf | 1942 - German operation near Demyansk, south of Leningrad, Russia |
| Operation Sumpffieber | 1942 - German anti-partisan operation in Loknja, Ukraine |
| Operation Süd | 1944 - German deceptive operation at Nettuno, Italy |
| Operation Süd-Kroatien I | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Süd-Kroatien II | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Südwind | 1941 - German defense plan against a general uprising in occupied France |
| Operation Südwind | 1941 - German diversionary attack on the island of Saaremaa, Estonia in support of Operation Beowulf II |
| Operation Südwind | 1945 - German counter-offensive from Esztergom, Hungary |
| Operation T | 1942 - Japanese invasion of northern Sumatra [Read More] |
| Operation Ta | 1943 - Japanese attack on Bougainville in the Solomon Islands |
| Operation Ta | 1944 - Japanese attack on American forces at Cape Torokina, Bougainville, Solomon Islands [Read More] |
| Operation TA | 1944 - Japanese attacks in the Philippine Islands |
| Operation Taifun | 1941 - German offensive toward Moscow, Russia; part of Operation Barbarossa [Read More] |
| Operation Take-Ichi | 1944 - Japanese convoys to the Doberai Peninsula in Western New Guinea |
| Operation Tan 2 | 1945 - Japanese special attack mission against the Allied anchorage at Ulithi, Caroline Islands |
| Operation Tanne Ost | 1944 - Failed German attempt to capture Suursaari Island, Finland in the Gulf of Finland |
| Operation Tanne West | 1944 - Planned German invasion of the Åland Islands in the Baltic Sea from Finland |
| Operation Tannenbaum | 1940 - Planned German invasion of Switzerland |
| Operation Tannenbaum | 1943 - Axis anti-partisan operation in the area between Bosanski Novi and Buzim in the Independent State of Croatia |
| Operation Tannenberg | 1939 - German plan to exterminate Polish intelligentsia |
| Operation Tasumaki | 1944 - Planned Japanese attack on Bougainville, Solomon Islands |
| Operation Taube | 1940 - German mission to transport Irish Republican Army Chief of Staff Seán Russell from Germany to Ireland |
| Operation Taube | 1941 - German plan to support the Irish Republican Army in Ireland and Northern Ireland |
| Operation Taubenschlag | 1942 - Canceled German attack on Toropets, Russia |
| Operation Ten'ichi-Go | 1945 - Japanese naval attack against the American fleet off Okinawa, Japan; alternate name of Operation Ten-Go |
| Operation Ten-Go | 1945 - Japanese naval attack against the American fleet off Okinawa, Japan; alternate name of Operation Ten'ichi-Go |
| Operation Teslic I | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Theodor | 1943 - German convoy off Temryuk, Southern Russia in the Sea of Azov |
| Operation Theodora | 1940 - German intelligence gathering operation in North Africa |
| Operation Theseus | 1942 - Axis attack on the Allied forces in Cyrenaica, Libya and Egypt |
| Operation Tichwin | 1941 - German attack on Leningrad, Russia [Read More] |
| Operation Tiger | 1940 - German attack on the northern portion of the Maginot Line; part of Fall Rot [Read More] |
| Operation Tiger | 1943 - German anti-partisan operation in Greece |
| Operation Tintenfisch | 1942 - German seizure of Swiss exports |
| Operation To-Go | 1944 - Phase one of Japanese attack in Eastern China; part of Operation Ichi-Go [Read More] |
| Operation Toni | 1943 - German convoy off Temryuk, Southern Russia in the Sea of Azov |
| Operation Trappenjagd | 1942 - German offensive in the Kerch Peninsula, Ukraine |
| Operation Trave | 1943 - German escort operations for blockade runners |
| Operation Travnik | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Treibjagd | 1944 - German anti-partisan operation in Yugoslavia |
| Operation Treuebruch | 1944 - German occupation of the Bulgarian-held Skopje region of Macedonia, Yugoslavia |
| Operation Trio | 1942 - Axis anti-partisan operation in Bosnia and Croatia, Yugoslavia |
| Operation Trojanisches Pferd | 1940 - German operation to secure the bridge near Nijmegen in the Netherlands |
| Operation Trojanisches Pferd | 1944 - German occupation of Budapest, Hungary; part of Operation Margarethe I |
| Operation Trolist | 1944 - Axis anti-partisan operation in the Zaistovec-Preseka region in the Independent State of Croatia |
| Operation Trondheim | 1940 - German movement across the Albert Canal against Fort Eben-Emael in Belgium |
| Operation Tuzla II | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation U | 1942 - Japanese invasion of Burma |
| Operation U-Go | 1944 - Japanese assault on Imphal and Kohima, India [Read More] |
| Operation Uljan | 1944 - German anti-partisan operation on the island of Ugljan off the coast of the Independent State of Croatia |
| Operation Ulm | 1943 - Planned German aerial bombing operation against Russian industries in the Ural Mountains |
| Operation Ulrich | 1943 - Axis anti-partisan operation in the Kozara Mountains in the Independent State of Croatia |
| Operation Una-Sava Bend | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Ungewitter | 1944 - Axis anti-partisan operation in the Papuk Mountains in the Independent State of Croatia |
| Operation Ursula | 1936-1939 - German submarine operation in support of Francisco Franco's naval forces during the Spanish Civil War |
| Operation Ursula | 1943 - German anti-partisan operation in Rogachev, Belorussia |
| Operation Varazdin | 1943 - Axis anti-partisan operation in the Kalnik Mountains between Varazdin and Krizevci in the Independent State of Croatia |
| Operation Venezia | 1941 - German advance toward the British Gazala Line near Bir Hakeim, Libya |
| Operation Venezie | 1942 - German advance against the British Gazala Line toward Tobruk, Libya |
| Operation Verrat | 1944 - German attack on forces of Dragoljub Mihailovic in Yugoslavia |
| Operation Verrat | 1944 - German attack on forces of Napoleon Zervas in Greece |
| Operation Vierecke | 1942 - German anti-partisan operation in Bryansk, Russia |
| Operation Virovitica | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Višegrad | 1941 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Vogelsang | 1942 - German anti-partisan operation in the Roslawl and Bryansk region of Russia |
| Wacht am Rhein | 1944 - German offensive in the Ardennes; Anglicized as 'Watch on the Rhine' [Read More] |
| Operation Wal | 1940 - Aborted German plan to coordinate actions with Scottish and Welsh nationalist groups |
| Operation Waldrausch | 1944 - German anti-partisan operation in the Balkans |
| Operation Waldteufel | 1945 - German anti-partisan operation in Budapest, Hungary |
| Operation Waldwinter | 1943 - German anti-partisan operation north of Vitebsk, Belorussia |
| Operation Walfisch | 1940 - Aborted German plan to land an agent in Ireland |
| Operation Walküre | 1944 - German attempt to overthrow Adolf Hitler, written under the cover of a plan to foil potential worker rebellions; Anglicized as 'Valkyre' |
| Operation Walzertraum | 1944 - German landing on the island of Hvar off the coast of Croatia, Yugoslavia; part of Operation Herbstgewitter III and Operation Herbstgewitter IV |
| Operation Wasserkante | 1939 - German aerial bombing of Warsaw, Poland |
| Operation Weber | 1941 - German naval operation off the coast of Southern England, Britain |
| Operation Wei | 1942 - German anti-partisan operations in Croatia, Yugoslavia |
| Operation Weihnachtsmann | 1943 - German anti-partisan operation in the Balkans |
| Fall Weiß | 1939 - German invasion of Poland [Read More] |
| Operation Weiß I | 1943 - German anti-partisan operation in Sarajevo, Bosnia, Yugoslavia |
| Operation Weiß II | 1943 - German anti-partisan operation in Sarajevo, Bosnia, Yugoslavia; continuation of Operation Weiß I |
| Operation Werewolf | 1945 - German anti-partisan operation in Croatia, Yugoslavia |
| Operation Werewolf | 1945 - German fighter deployment against Allied bombing |
| Operation Weserübung | 1940 - German invasion of Denmark and Norway [Read More] |
| Operation Weserübung Nord | 1940 - German attack on Trondheim and Narvik, Norway; part of Operation Weserübung [Read More] |
| Operation Weserübung Sud | 1940 - German attack on Bergen, Kristiansand, and Oslo, Norway; part of Operation Weserübung [Read More] |
| Operation Wespennest I | 1940 - German destruction of rail links between Switzerland and France |
| Operation Wespennest II | 1940 - German destruction of rail links between Switzerland and France |
| Operation West | 1941 - German attack on Hiiumaa, an island off Estonia; part of Operation Siegfried |
| Operation West-Bosnien | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Weststurm | 1941 - German naval operation in support of Operation Beowulf II |
| Operation Weststurm | 1944 - German naval bombardment of Sworbe, Estonia |
| Operation Westwind | 1941 - German diversionary plan in support of Operation Beowulf II |
| Operation Wiesengrund | 1942 - German occupation of the Fisherman's Peninsula in northern Scandinavia |
| Operation Wiking | 1943 - German operations in the Caucasus region of Southern Russia |
| Operation Wikinger | 1940 - Sortie by German destroyers into the North Sea |
| Operation Wikinger | 1944 - German offensive in the islands off the Dalmatian coast of Yugoslavia |
| Operation Wildente | 1940 - German naval and air operation in Trondheim, Norway |
| Operation Wildente | 1943 - German anti-partisan operation north of Vitebsk, Belorussia in conjunction with Operation Schnepfe |
| Operation Wildsau | 1943 - German anti-partisan operation in Russia |
| Operation Wildsau | 1943 - German anti-partisan operation in Tuzla, Bosnia, Yugoslavia |
| Operation Wildsau | 1944 - Axis anti-partisan operation west of the railroad connecting Ðurmanec and Krapinske Toplice in the Independent State of Croatia |
| Operation Wilhelm | 1942 - German operation against Volchansk, Russia |
| Operation Windstoss | 1943 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Winkelreid | 1942 - German operation within the Demyansk Pocket near Leningrad, Russia |
| Operation Winterende | 1944 - German anti-partisan operation in Slovenia, Yugoslavia; part of Operation Frühlingsanfang |
| Operation Wintergewitter | 1944 - Axis attack on the Americans in the Appennine Mountains, Italy |
| Operation Wintermärchen | 1942 - German attack between the Volga and Don Rivers |
| Operation Wintermärchen | 1944 - German attack on American troops in Italy |
| Operation Winterzauber | 1943 - German anti-partisan operation in Lithuania |
| Operation Wolke | 1942 - German transfer to troops to Norway |
| Operation Wolkenbruch | 1943 - Failed German anti-partisan operation in Northern Yugoslavia |
| Operation Wulf | 1943 - German anti-partisan operation in Kordun in Bosnia, Banovina and Turopolje in Croatia, Yugoslavia |
| Operation Wulf | 1944 - German anti-partisan operation in Thessaloniki, Greece |
| Operation Wunderland | 1942 - German anti-shipping operation in Kara Sea and Barents Sea by warship Admiral Scheer |
| Operation Wunderland II | 1943 - Planned German naval operation involving warship Admiral Scheer in the Siberian Sea |
| Operation Yarmouth | 1943 - German artillery bombardment of Yeysk, Russia |
| Operation Z | 1941 - Japanese attack on Pearl Harbor, Hawaii, United States [Read More] |
| Operation Zagorje | 1943 - Axis anti-partisan operation in the Kalnik Mountains in the Novi Marof area in the Independent State of Croatia |
| Operation Zahnarzt | 1945 - German operation in the area of Molsheim, France and Zabern, Germany |
| Operation Zarin | 1942 - German mining action off Novaya Zemlya archipelago in the Arctic Ocean by Admiral Hipper and destroyers |
| Operation Zauberflöte | 1942 - German operation to maneuver damaged Prinz Eugen from Trondheim, Norway to Kiel, Germany |
| Operation Zenica-Zavidovici | 1942 - Axis anti-partisan operation in the Independent State of Croatia |
| Operation Zeppelin | 1944 - Failed German operation to destroy powerplants in Moscow, Russia |
| Operation Zerberus | 1942 - Break-out of German capital ships from Brest, France to Norway; Anglicized as 'Cerberus' and nicknamed by the British as 'Channel Dash' [Read More] |
| Operation Ziethen | 1943 - German anti-partisan operation in Livno, Bosnia, Yugoslavia |
| Operation Ziethen | 1943 - Planned German evacuation from the Demyansk Pocket near Leningrad, Russia |
| Operation Zigeunerbaron | 1943 - German anti-partisan operation in Bryansk, Russia |
| Operation Zitadelle | 1943 - German offensive at Kursk, Russia [Read More] |
| Operation Zitronella | 1943 - German raid against a Norwegian/British station at the Svalbard Islands |
| Operation Zumberak IV | 1944 - Axis anti-partisan operation in the Plesivica Mountains in the Independent State of Croatia |
| Operation Zwischenspiel | 1943 - German attack on the Greek island of Samos; part of Operation Leopard |
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