The 'Iltis-Stellung' was the German initial fallback line associated with the disengagement of Generaloberst Karl-Adolf Hollidt’s 6th Army of Generaloberst Josef Harpe’s H... Read More

'Immense' was a British plan for the defence of Cyprus (?)., It was a constant British concern in Worlds War II that Germany might have longer-term ambitions for the seizure o... Read More

'Impact' was a British two-phase operation ('Impact Plain' and 'Impact Royal') to widen and deepen the British bridgehead in the 'Wedge' on the south-western side of Lake Coma... Read More

'Imperative' was a British system of setting fires and illuminations in open country to decoy German night bombers into attacking these decoys rather than towns and cities whi... Read More

'Imperator' was a British unrealised plan to take and hold Boulogne or a similar coastal port in the northern part of German-occupied France by means of amphibious assault, an... Read More

'Imperil' was a British deception operation, undertaken by several means including radio traffic and double agents, to bolster the supposed strength of General Sir Bernard Mon... Read More

This was a British unrealised plan for an amphibious operation against a target on the west coast of German-occupied Norway (?). ... Read More

'Incalculable' was a British special forces raid across the Maas river in the German-occupied Netherlands by Brigadier B. W. Leicester’s 4th Commando Brigade (spring 1945). ... Read More

'Inclination' was a British radio deception operation by Colonel David Strangeways' 'R' Force to suggest to the Germans that the fictional British 27th Armoured Brigade had co... Read More

'Incurable' was a British unrealised air operation against targets in the Cotentin peninsula in German-occupied northern France (?). ... Read More

'Independence' (i) was a French offensive by two corps toward Belfort and Mulhouse in eastern France (14 November/15 December 1944). , The undertaking pitted Général de Corp... Read More

This was the French overall plan for for formations Général d’Armée Jean de Lattre de Tassigny’s 1ère Armée to reduce the German 'fortress' garrisons on the French At... Read More

'Indien' was a German small-scale and wholly impractical planning exercise, instigated by Adolf Hitler, to consider the movement of German forces across northern Iran into Afg... Read More

'Indigo III' was a US naval operation to deliver reinforcements and equipment to bolster the US Marine Corps garrison of Iceland (12/16 September 1941)., The British had occup... Read More

'Induction' was a US unrealised plan for the invasion of Luzon island in the Philippine islands group as part of Admiral Chester W. Nimitz’s 'Granite' plan for an east/west ... Read More

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'Infatuate' (ii) was the British capture of the Dutch port of Vlissingen (Flushing) at the southern tip of Walcheren island by Lieutenant Colonel W. P. B. Dawson’s No. 4 Com... Read More

'Infatuation' was a British radio deception operation by Colonel David Strangeways' 'R' Force in tactical support of the Canadian and British 'Infatuate' (ii) undertaking to t... Read More

'Influx' was a British unrealised plan for an invasion of the large Italian island of Sicily as a follow-on to the anticipated success of 'Compass' in North Africa (spring 194... Read More

'Ingeborg' was a German and Croat operation against the partisan forces of Marshal Josip Broz Tito in the area to the east of Karlovac and north of the Kupa river in the puppe... Read More

'Ingleton' was a British precision bombing raid in Iraq against dissident forces threatening the stability of this important oil-producing country comparatively soon after it ... Read More

'Ingot' was a British staff mission to Lisbon for negotiations with Portuguese officials about the possible political and logistical feasibility of establishing a British base... Read More

'Inhabit' was a British unrealised plan for a special forces raid on Cap Levy near Cherbourg on the north coast of German-occupied France by the Small Scale Raiding Force (Oct... Read More

'Inhuman' was British programme of training exercises for 'Torch' by personnel of the Combined Operations Assault Pilotage Parties and Special Boat Service (October 1942). ... Read More

'Initial' was a British naval sweep though the Bay of Bengal by Admiral Sir James Somerville’s Eastern Fleet as a show of force and for training (March 1944). ... Read More

'Inmate' was a British, Canadian and New Zealand naval bombardment of Japanese installations on Truk atoll in the Caroline islands group (12/16 June 1945)., These attacks on i... Read More

'Inn' was a U-boat wolfpack operation in the Atlantic, in tandem with 'Isar', against the ONS.7 convoy (11/15 May 1943)., The wolfpack comprised U-92, U-258, U-381 and U-954, ... Read More

'Insect' was the British naval delivery of warplanes to Malta as a repeat of 'Pinpoint' and using the same forces (20/22 July 1942)., Some 32 Supermarine Spitfire fighters wer... Read More

'Insel' was a German operation to locate and destroy the radio equipment of an Allied agent operating to the north-east of the island of Hydra in the Saronic gulf region of Ax... Read More

'Inselsprung' was the German codeword for the destruction of Adolf Hitler’s 'Wolfsschanze' headquarters in East Prussia as it came under threat from the Soviet advance to th... Read More

'Inspection' was a British operation, otherwise known as 'MBD2', to move the fleet carrier Illustrious, severely damaged in 'MC4', from Malta to Alexandria before transiting t... Read More

'Inspiration' was a British naval undertaking to round up and bring into the Cornish port of Penzance a sizeable proportion of the Vichy French tuna fishing fleet (22 Septembe... Read More

'Installation' was the British maritime movement of troops from Haifa in Palestine to Famagusta in Cyprus to strengthen the local garrison (March 1942). ... Read More

'Instep' was a British overall designation of long-range fighter patrols off the west coast of German-occupied France and in the Bay of Biscay to escort aircraft of RAF Coasta... Read More

The 'Insterburg-Königsberg Offensive Operation' was the first of the six sub-operations together constituting the 'East Prussian Strategic Offensive Operation' between Soviet... Read More

'Insurgent' was a US unrealised plan for the invasion of Mindanao island in the Japanese-occupied Philippine islands group as part of Admiral Chester W. Nimitz’s 'Granite' s... Read More

The 'Intelligenz Aktion' was the German programme to target and destroy elite segments of the Polish population, most especially the intelligentsia, as part of the 'Generalpla... Read More

'Intemperate' was a British and Canadian unrealised plan for a series of raids on German positions in the estuary of the Scheldt river between Belgium and the Netherlands (Jan... Read More

'Interlude' was the US undertaking to plan and make rehearsal landings at Aitape and to the west of Wakde in North-East New Guinea and Dutch New Guinea for the 'Tradewind' ass... Read More

'Intransitive' was a British special forces operation to parachute a three-man sabotage team into the Trebon area of German-occupied Czechoslovakia (29 April 1942 onward). ... Read More

'Intruder' was the Allied overall designation for air operations against specific German activity, the most important of these being night-fighter missions to German night-fly... Read More

'Invective' was a British naval operation by elements of Admiral Sir Henry Moore’s Home Fleet to sweep part of the Leads off the west coast of German-occupied Norway and, in... Read More

'Iota' was an Italian convoy operation across the Mediterranean (8/10 March 1942)., Comprising two ships and one tug, escorted by the destroyers Bersagliere and Antonio da Nol... Read More

'Irak' was a German operation to bolster the strength of the anti-British insurgent forces in Iraq by the transfer of small but high-grade air units (May 1941)., Under the ove... Read More

The 'Iran Cover Plan' was a British deception plan designed to shield part of the British concentration for the UK’s part in the Anglo/Soviet 'Countenance' invasion and occu... Read More

'Iron' was a British operation to hold Mosul in northern Iraq and to safeguard the city’s water supplies at the time of the Anglo-Iraqi War (Iraqi rebellion) (spring 1941). ... Read More

'Iron Cross' was a US unrealised special forces operation by the Office of Strategic Services conceived initially as a way to infiltrate sabotage teams into the 'Alpine redoub... Read More

'Iron Ring' was a British submarine blockade of Brest on the western tip of Brittany in German-occupied northern France in an effort to intercept, attack and destroy German wa... Read More

'Ironclad' was the British seizure of Diégo Suarez and Antsirane on the northern coast of the Vichy French island of Madagascar, so paving the way for subsequent 'Stream Line... Read More

'Ironhorse' was a US unrealised plan for the design, construction and deployment of an artificial harbour of the 'Mulberry' type to be used in the proposed 'Coronet' (ii) land... Read More