'Dredger' was a Canadian naval operation to destroy a German light warship force operating off the north-western tip of German-occupied France in the task of escorting U-boats... Read More

'Dreiecke' was a German operation against partisans in the Bryansk region of Belorussia in the German-occupied western USSR (September 1942). ... Read More

'Dreznica' was a German and Croat operation against the partisan forces of Marshal Josip Broz Tito in the Velika Kapela mountain region of the puppet state of Croatia in Germa... Read More

'Driftwood' was a British special forces operation by the 2nd Special Air Service to cut the rail lines between Ancona and Rimini and between Urbino and Fabriano in support of... Read More

'Drink' was an Allied deception operation designed to lure German U-boats from the South Atlantic to the North Atlantic, and from the Mediterranean Sea to the Atlantic Ocean (... Read More

'Drohende Gefahr Nord' was a German defensive plan for rapid implementation should the Allies make a major amphibious assault on Norway and/or Denmark (January 1944 onward). ... Read More

'Drohende Gefahr West' was the German alternative designation for 'Dr Gustav West' (June 1943 onward). ... Read More

'Drontheim' was the German undertaking by Oberstleutnant Hans Mikosch’s Sturmabteilung 'Mikosch' to expand the bridgehead at Kanne in Belgium taken in 'Eisen' and thereby pu... Read More

'Drossel' was a U-boat wolfpack operation in the Atlantic (29 April/15 May 1943)., Created to attack the SL.128 convoy and then the HX.237 convoy, the wolfpack comprised U-89,... Read More

'Drosselfang' was a German and Finnish naval attempt by the torpedo boats T 30 and T 31 of Korvettenkapitän Rudolf Koppenhagen’s 6th Torpedoboots-Flottille, supported by Fi... Read More

'Dryad' was a British special forces raid by 12 men of the Small Scale Raiding Force (No. 62 Commando) on the lighthouse at Les Casquets, 7 miles (11.25 km) to the west of the... Read More

'Drygoods' was the US logistical build-up on the islands of Guadalcanal and Tulagi at the south-western end of the Solomon islands group in preparation for operations against ... Read More

'Dryshod' was an Allied amphibious training exercise by elements of what would become Lieutenant General K. A. N. Anderson’s Allied 1st Army in preparation for 'Torch' (Augu... Read More

'DS' was the designation of Allied military ferry convoys (together with a numerical suffix) plying the route from the Clyde river to Reykjavik, and as such reciprocals of the... Read More

The 'Dschingis Khan-Linie' was a German defence line in northern Italy, parallel with the 'Grün-Linie' and extending to the east from Bologna to Lake Comacchio, and designed ... Read More

'Dschungel' was a German unrealised plan for a special forces undertaking in the USSR to support operations on the Eastern Front after 'Barbarossa' by cutting the railway line... Read More

'DSF' was the designation of Allied convoys (together with a numerical suffix) plying the route from Dakar, French West Africa, to Freetown, Sierra Leone, and as such reciproc... Read More

'DSL' was the designation of Allied convoys (together with a numerical suffix) plying the route from Dakar, French West Africa, via Freetown, Sierra Leone, to Lagos, Nigeria, ... Read More

'DSP' was the designation of Allied convoys (together with a numerical suffix) plying the route from Dakar, French West Africa, to Freetown, Sierra Leone, and Pointe Noire, Co... Read More

'DST' was the designation of Allied convoys (together with a numerical suffix) plying the route from Dakar, French West Africa, to Freetown, Sierra Leone, and Takoradi, Gold C... Read More

'DT' (i) was the British naval undertaking to find and board the 13,580-ton German oiler and supply vessel Altmark, and to rescue the British merchant marine prisoners the shi... Read More

'DT' (ii) was a British naval undertaking against coastal targets in the Trondheim area of German-occupied Norway (20/23 September 1940)., The operation was centred on the Fai... Read More

'DT' (iii) was the designation of Allied convoys (together with a numerical suffix) plying the route from Darwin to Thursday island, northern Australia, and as such reciprocal... Read More

'DU' (i) was a British naval sweep into the Skagerrak in search of German shipping for interception and destruction (19/24 March 1940)., At 15.00 on 19 March the battleships R... Read More

'DU' (ii) was a British naval undertaking against installations at Tromsø in German-occupied Norway (16 October 1940)., The elderly fleet carrier Furious launched 11 Fairey S... Read More

'Dubrovnik I' was a Croat and German operation against the 32nd Division of the newly formed X 'Zagreb' Corps of the partisan forces led by Marshal Josip Broz Tito in the regi... Read More

'Dubrovnik II' was a Croat operation against the partisan forces of Marshal Josip Broz Tito in the puppet state of Croatia in German-occupied Yugoslavia (8/11 February 1944).,... Read More

'Duck' (i) was a British naval gunfire bombardment of coastal positions and the airfield at Stavanger on the south-west coast of German-occupied Norway (17/18 April 1940)., Th... Read More

'Duck' (ii) was a US series of three large-scale exercises in the UK by Major General Leonard T. Gerow’s V Corps of Lieutenant General Omar N. Bradley’s 1st Army as part o... Read More

'Duck' (iii) was a Canadian operation by Lieutenant General G. G. Simonds’s II Corps of General H. D. G. Crerar’s 1st Army to force the Ems and Leda rivers in northern Ger... Read More

'Dudley' was a British unrealised plan for a major amphibious assault on the west coast of Italy in the area of Rome, the capital of Italy (October/December 1940)., Abandoned ... Read More

'Dukedom' was a British naval undertaking by Vice Admiral Sir Arthur Power’s East Indies Fleet to locate and destroy the Japanese heavy cruiser Ashigara, destroyer Kamikaze ... Read More

The 'Dukhovshchina Offensive Operation' was the Soviet seventh of nine sub-operations together constituting the 'Smolensk Strategic Defensive Operation' (17 August/8 September... Read More

The 'Dukhovshchina-Demidov Offensive Operation 2nd Stage' was a Soviet part of the 'Smolensk Strategic Offensive Operation' and undertaken by the Kalinin Front (14 September/2... Read More

'Dummer' was a British cover plan for 'Lifebelt', the planned seizure of the Azores islands group in the spring of 1943 initially planned as 'Brisk', and then for 'Alacrity', ... Read More

'Dundas was an Allied deception plan designed to persuade the Germans that the pace of the Allied build-up in the UK, especially of US forces, was greater than in fact it was ... Read More

'Dundee' (i) was a British naval deception undertaking by the London Controlling Section to conceal the destination of a powerful force of warships (November 1943/January 1944... Read More

'Dundee' (ii) was the British alternative designation for 'Maundy III' (April 1944). ... Read More

'Dungloe' was an Allied radio deception, as part of the 'Zeppelin' (i) strategic deception, purporting to tell the leadership of the Yugoslav partisan movement the date for th... Read More

'Dunhill' was a British special forces operation by the 2nd Special Air Service to harass the German retreat in the Fougeray area and to observe and report on German movements... Read More

'Dunkerton' was a British operation by the Special Operations Executive to protect the power stations at Nea to the south-east of Trondheim in German-occupied Norway (18 Febru... Read More

'Dünkirchen' was a German and Croat pair of operations ('Dünkirchen I' and 'Dünkirchen II') against the partisan forces of Marshal Josip Broz Tito in the Krasić region of ... Read More

'Dunlop' was a British naval undertaking, in parallel with 'Transit' (i), to reinforce the air defences of Malta (25/29 April 1941)., Accompanied by the heavy cruiser London a... Read More

'Dunn' was an Allied air evacuation of wounded men from the Slovenia region of Yugoslavia for hospital treatment in Italy (25/26 March 1945). ... Read More

'Dunton' was an Allied deception plan associated with 'Diadem' via 'Zeppelin' (i) (April 1944)., The plan was posited on trying to persuade the Germans that the US Army was p... Read More

'Dupont' was a US special forces operation to parachute an Office of Strategic Services party into the Wiener-Neustadt area of Austria on an intelligence-gathering mission (13... Read More

'Durable' was the Allied overall designation of security measures in Iran to ensure the safe transit of Lend-Lease supplies from the coast of the Persian Gulf to the USSR afte... Read More

'Durham' was a British special forces undertaking by the Special Operations Executive to create and disseminate 'black' propaganda to the German forces in Norway (March/Novemb... Read More

'Dutch Cleanser' was an Allied unrealised plan for General H. D. G. Crerar’s Canadian 1st Army to advance from Arnhem to the IJsselmeer (Zuiderzee) in the Netherlands (17 Ap... Read More

'Duzy Projekt' was a Polish resistance movement plan for a national rising against the Germans to coincide with the arrival of Soviet forces from the east (summer 1944)., The ... Read More