'Hurry' (ii) was a British special forces raid by a Special Boat Section party on a coastal target in Japanese-occupied Burma (December 1944). ... Read More

'Husar' was a German unrealised naval plan for an anti-shipping operation in the Kara Sea by the heavy cruiser (ex-pocket battleship) Lützow (20 July 1943)., Lützow was expe... Read More

'Husband' was a US continuation of the 'Wedlock' deception plan to persuade the Japanese that the next US invasion after 'Forager' against the Marianas islands group would be ... Read More

'Husky' (i) was the Allied invasion and seizure of the Italian island of Sicily (9 July/17 August 1943)., It was at the 'Symbol' inter-Allied conference at Casablanca in Janua... Read More

'Husky' (ii) was a British unrealised operation by the Special Operations Executive to make contact with, supply and instruct detachments of the Milorg military resistance org... Read More

'Husky Number One' was a US airborne operation by part of Major General Matthew B. Ridgway’s 82nd Airborne Division during 'Husky' (i) (9/10 July 1943)., The operation was e... Read More

'Husky Number Two' was a US airborne operation by part of Major General Matthew B. Ridgway’s 82nd Airborne Division during 'Husky' (i) (11/12 July 1943)., The operation was ... Read More

'Hussar' was an Allied pair of amphibious operations in the Scheldt river estuary in Belgium and the Netherlands downstream of Antwerp (autumn/winter 1944). ... Read More

'Hutton' was an Allied sub-plan within 'Torch' (8/9 November 1942). ... Read More

'HV' was a British naval undertaking to lay an anti-submarine minefield in the North-Western Approaches (May/June 1943)., The ship involved was the coastal minelayer Plover. ... Read More

'HW' was a British naval undertaking to lay a minefield in the Strait of Dover as part of the creation of the Dover Barrage between the south-east of the UK and northern Franc... Read More

'HX' was the designation of Allied slow convoys (together with a numerical and sometimes a literal suffix) plying from Halifax, Nova Scotia (New York from September 1942) to L... Read More

'HXA' was the designation of Allied extension convoys of the 'HX' slow convoys (together with the same numerical and sometimes literal suffix) from the Western Approaches to t... Read More

'HXF' was the designation of Allied fast convoys (together with a numerical suffix) plying the route from Halifax, Nova Scotia, to Liverpool or Dover in the UK (September 1939... Read More

'HXM' was the designation of Allied medium-speed convoys (together with a numerical suffix) plying the route from New York to Liverpool (1939/45). ... Read More

'HXS' was the designation of Allied slow convoys (together with a numerical suffix) plying the route from New York to Liverpool (1939/45). ... Read More

'HY' was a British naval minelaying operation, designed to prevent U-boat access and transit, in the South-Western Approaches to the UK (January 1945). ... Read More

'Hydra' (i) was a British special forces operation to land a three-man British and Yugoslav team of the Special Operations Executive from the sea into the Montenegrin area of ... Read More

'Hydra' (ii) was a British air attack by Air Chief Marshal Sir Arthur Harris’s RAF Bomber Command on the German army’s 'secret weapon' development centre on Peenemünde is... Read More

'Hydra' (iii) was the Allied unrealised plan for the evacuation of all Allied personnel from Yugoslavia in the event of an outbreak of hostilities with the Yugoslav forces of ... Read More

'Hydraulic' was a British unrealised plan for the despatch of an emergency air striking force to support Turkey in the event of a German and/or Bulgarian incursion (1943). ... Read More

'Hyperion' was the designation of British and Portuguese staff talks about matters of mutual interest such as the likelihood of a German assault on the Iberian peninsula and t... Read More

'I' (i) was an Italian convoy operation across the Mediterranean (19/22 May 1942)., At this time there were several Italian convoys making the crossing between ports in southe... Read More

'I' (ii) was the Japanese offensive designed to eliminate the rapidly growing naval and air power of the Allied powers, and especially the USA, in the south-eastern Pacific wi... Read More

'Iago' was an unrealised British deception plan to 'frame' a U-boat captain as a supposed British agent by sending him a letter containing a compromising secret ink message, a... Read More

'Ian' was an Allied special forces operation to parachute a three-man French and US 'Jedburgh' team into the Vienne area of German-occupied France (21 June 1944 onward). ... Read More

'IB' was a British naval minelaying operation off the island of Heligoland in the German Bight (17/18 December 1939)., The destroyers Intrepid and Ivanhoe laid a field of 240 ... Read More

'Ibrox/Quail' was a British unrealised special forces operation for 11 men of the 2nd Special Air Service and two Norwegians to destroy the Snåsamoen railway bridge near Tron... Read More

'Iceberg' was the US seizure of the large island of Okinawa, the smaller island of Ie-shima off Okinawa’s west coast, and the still smaller islands of the Kerama-retto off O... Read More

'Iceberg I to VII' was the US and British programme of carrierborne air attacks on the Japanese positions in the islands of the Sakishima-gunto (26 March/25 May 1945)., When V... Read More

'Iceberg Oolong' was a British air attack from the fleet carriers of the British Pacific Fleet, otherwise Task Force 57 under the tactical command of Vice Admiral Sir Bernard ... Read More

'Iceman' was an Allied cover and deception plan for 'Carbonado' (1945)., The undertaking was schemed for security purposes as an alternative to 'Rashness' so that both could b... Read More

'Ichi' was the Japanese strategic offensive in the central and southern parts of eastern China to secure an overland connection between northern China, Manchukuo and Korea and... Read More

'ID' was a British naval minelaying operation in the Heligoland Bight (January 1940). ... Read More

'Ida' (i) was the German occupation, within 'Achse' (ii), of the Istrian peninsula between Trieste and Fiume at the head of the Adriatic Sea, in the period after the Allied ar... Read More

'Ida' (ii) was a German complex of defensive measures ordered by Generalfeldmarschall Maximilian Reichsfreiherr von Weichs, the Oberbefehlshaber 'Südost', against the possibi... Read More

'Ides' was a British unrealised deception operation by the London Controlling Section to arrange for a British aeroplane, loaded with mail including a number of secret but fal... Read More

'IE3' was a British unrealised naval minelaying operation in the Heligoland Bight (17 January 1940)., The minelaying destroyers Intrepid and Ivanhoe entered the Humber estuary... Read More

'IG' was the designation of Allied convoys (together with a numerical suffix) plying the route from the Philippine islands group to New Guinea, and as such reciprocals of the ... Read More

'Igel' (i) was a U-boat wolfpack double operation in the North Atlantic against the MKS.38, SL.147, UC.12, ON.223, HX.277, OS.67, KMS.41, ONS.29, ON.224, OS.68 and KMS.42 conv... Read More

'Igel' (ii) was a German operation against the partisan forces of Marshal Josip Broz Tito in the Kimsevica and Leskovac area of southern Serbia in German-occupied Yugoslavia (... Read More

'Igloo' was a British unrealised plan for the movement of an air striking force, together with the army units that might also be required, to Turkey in the event of a German a... Read More

'Ikarus' was a German unrealised preliminary plan for the invasion and seizure of Iceland in combination with 'Seelöwe' (June 1940/42). , From a time late in February to earl... Read More

'IKO' was the designation of Allied convoys (together with a numerical and in one case a literal suffix) plying the route between Manila in the Philippine islands group and Ho... Read More

This was a British naval operation in the Bay of Biscay to search for U-boats on passage to and from bases on the west coast of German-occupied France (30 August/2 September 1... Read More

'Iller' was a U-boat wolfpack operation to the south of the Greenland/Iceland gap (12/15 May 1943)., The wolfpack comprised U-340, U-636, U-640, U-657, U-731 and U-760, and fo... Read More

'Illusion' was the German occupation of Rab island in the northern part of the Adriatic Sea off the Croat coast of German-occupied Yugoslavia (19/23 March 1944)., At this time... Read More

'Ilona' was a German scaled-down version of 'Isabella' (i), later renamed 'Gisela' (i), for an invasion of Spain (29 May 1942 onward)., The plan was to be invoked whether or n... Read More

'Iltis' (i) was a U-boat wolfpack operation in the Atlantic Ocean off the coast of North-West Africa against the SL.119 convoy (25/29 August 1942)., The wolfpack comprised U-1... Read More

'Iltis' (ii) was a German operation against the partisan forces operating in the Thessaloníki area of German-occupied northern Greece (1944). ... Read More