'Strength' was the British naval undertaking to facilitate the passage of the PQ.1 Arctic convoy from the Hvalfjörður in south-western Iceland to Arkhangyel’sk in the nort... Read More

'Strike' was the Allied final offensive in Tunisia by Lieutenant General K. A. N. Anderson’s Allied 1st Army to defeat Generaloberst Hans-Jürgen von Arnim’s Heeresgruppe ... Read More

'Striker' was a British unrealised pair of plans ('Striker I' and 'Striker II') by the Combined Operations Headquarters for major raids on targets on the coast of German-occup... Read More

'Stripe' was the British initial maritime delivery of aircraft from the UK to Takoradi, Gold Coast, for onward self-delivery via Sudan to Egypt across the southern part of the... Read More

'Strongpoint' was the US reorganisation of Major General Claire L. Chennault’s 14th AAF in China (1945). ... Read More

'Struggle' was the British destruction of the Japanese heavy cruiser Takao in Singapore harbour by midget submarine attack (30/31 July 1945)., During February 1945 the depot s... Read More

'Strychnine' was a British unrealised plan for an amphibious landing in an area of the Scheldt river estuary in the Netherlands (April 1945). ... Read More

This was an Allied programme of air operations in direct support of General Sir Bernard Montgomery’s Allied 21st Army Group in 'Neptune' (iii) and 'Overlord' (6 June 1944).,... Read More

'Student' (i) was the German designation under which the operation initially planned as 'G' (i) was to have been implemented (5 November 1939). ... Read More

'Student' (ii) was the German operation to disarm the Italian forces in Rome and take control of the city in the event of an Italian defection from the Axis alliance (autumn 1... Read More

'Student' (iii) was the German and Italian Fascist joint plan to reintroduce Fascism to Italy after the overthrow of Benito Mussolini on 25 July and the Italian armistice with... Read More

'Studie Böhme' was a German unrealised plan for the seizure of Switzerland after the conclusion of the defeat and occupation of France (1940). ... Read More

'Stultify' was a British deception plan for 'Extended Capital' (1944/45)., The 'story' promulgated by 'Stultify', which replaced 'Flabbergast', was that Admiral the Lord Louis... Read More

'Stumper' (i) was a British unrealised operation against islands in the Trondheimsfjord on the west coast of German-occupied Norway with the object of destroying German garris... Read More

'Stumper' (ii) was the British initial plan for a special forces daylight operation against the German garrison of Vågsøy and Måløy islands at the same time as 'Anklet', a... Read More

'Stunsail' was an Allied unrealised plan for an amphibious assault on the German-occupied continent of Europe in 1943 (1942/43). ... Read More

'Sturgeon' was the US cover plan for the redeployment of Major General Curtis E. LeMay’s US 20AAF from China to the Mariana islands group for the strategic air offensive aga... Read More

'Sturm' (i) was a German mopping-up operation, by a Kampfgruppe of Generalleutnant Willibald Utz’s 100th Jägerdivision, against Albanian partisan forces in the area bounded... Read More

This was a German undertaking to effect the relief of the force holding the fortress of Kastel in Banja Luka in German-occupied Yugoslavia (25/29 September 1944)., The second ... Read More

'Sturmbock' was a U-boat wolfpack operation in the Atlantic against the ONS.167 convoy (21/23 February 1943)., The wolfpack comprised U-84, U-432, U-591, U-664 and U-758, and ... Read More

The 'Sturmbock-Stellung' was a German defence position in the extreme north-west of Finland to shield the Lyngenfjord area from the Swedish border in the area to the north-wes... Read More

'Stürmer' (i) was a U-boat wolfpack operation, in tandem with 'Dränger' and 'Raubgraf', in the Atlantic against the HX.229 and SC.122 convoys (11/20 March 1943)., The wolfpa... Read More

'Stürmer' (ii) was a U-boat wolfpack operation in the Atlantic against the OS.66 and KMS.40 convoys (26 January/3 February 1944)., The wolfpack comprised U-283, U-309, U-386,... Read More

'Stürmer' (iii) was a German unrealised plan by Generaloberst Kurt Student’s Heeresgruppe 'H', despite the imminent failure of 'Wacht am Rhein', to use elements of General ... Read More

'Sturmflut' was the German final stage of 'Morgenluft' (i) in Tunisia by General Gustav Fehn’s Deutsches Afrikakorps to take the Kasserine Pass and open the way for an advan... Read More

'Sturmwind' was a German pair of operations ('Sturmwind I' and 'Sturmwind II') against the Polish resistance in the Solska wilderness to the south of Lublin near Osuchy and cu... Read More

'STW' was the designation of Allied convoys (together with a numerical suffix) plying the route from Freetown, Sierra Leone, via Takoradi, Gold Coast, to Walvis Bay, South-Wes... Read More

'Style' (i) was a British troop convoy to Malta in the Mediterranean (31 July/4 August 1941)., An improvised undertaking, 'Style' (ii) was designed to deliver the troops left ... Read More

'Style' (ii) was a British naval delivery of Supermarine Spitfire single-seat fighters to Malta (2/4 June 1941)., The 7,009-ton freighter Empire Conrad departed Milford Haven ... Read More

'SU' was the designation of Allied convoys (together with a numerical and sometimes a literal suffix) plying the route from the Suez Canal, Egypt, Aden, and Colombo, Ceylon, t... Read More

'Subject' was a British naval operation to intercept and destroy German minelaying and anti-ship operations (?). ... Read More

'Substance' was the British GM.1 reinforcement convoy to Malta and the recovery of empty ships in the reciprocal MG.1 (21/27 July 1941)., At the time in question Malta’s gar... Read More

'Subtract' was a British naval reconnaissance of and raid on Pulau Rawa island off the south-east coast of Japanese-occupied Malaya (July 1945). ... Read More

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'Süd' (i) was a German alternative designation of 'N' (i) (January 1940). ... Read More

'Süd' (ii) was a U-boat wolfpack operation in the Atlantic Ocean off the north-west coast of Africa (22 July/5 August 1941)., The wolfpack comprised U-93, U-94, U-109 and U-1... Read More

'Süd' (iii) was a German deception operation, involving a feint attack across the Mussolini Canal in the direction of Borgo Piave on the south-eastern section of the German p... Read More

'Südost-Kroatien' was a German, Italian and Croat pair of operations ('Südost-Kroatien I' and 'Südost-Kroatien II') against the partisan forces of Josip Broz Tito in the pu... Read More

'Südsee' was a German unrealised plan to restore mercantile shipping links with Japan by means of the North-East Passage along the north coast of the USSR and the Bering Stra... Read More

'Südstern' was a German propaganda campaign by the SS against the troops of Generał dywizji Władysław Anders’s Polish II Corps deployed on the Italian front (March 1944)... Read More

'Südwärts' was a U-boat wolfpack operation in the Atlantic (24/26 October 1942)., The wolfpack comprised U-154, U-260, U-301, U-620, U-662 and U-706, and neither lost any of... Read More

'Südwind' (i) was the German overall plan for implementation in the event of a general uprising in occupied France (April 1941 onward). ... Read More

'Südwind' (ii) was a German pair of diversionary attacks on the Soviet positions on the island of Saaremaa (Ösel in German), the largest of the islands in the mouth of the G... Read More

'Südwind' (iii) was a German naval sortie by the destroyers Z 29, Z 31, Z 33, Z 34 and Z 38 of Kapitän Rolf Johannesson’s 4th Zerstörer-Flottille to Bjørnøya in a fruit... Read More

'Südwind' (iv) was a German counter-offensive from the Esztergom bridgehead in Hungary by General Otto Wöhler’s Heeresgruppe 'Süd' against Marshal Sovetskogo Soyuza Fyedo... Read More

'Südwind' (v) was the German offensive on the Eastern Front in a part of Slovakia annexed by Hungary in 1938 and, in preparation for 'Frühlingserwachen' (ii), during this un... Read More

'Suffice' was a British naval undertaking by Force 68 of Vice Admiral Sir Arthur Power’s East Indies Fleet to sweep the waters to the east of the Japanese-occupied Andaman a... Read More

'Sugar Fox' was a British programme of naval and air operations by warships of Admiral Sir Bruce Fraser’s Home Fleet and aircraft of Air Marshal Sir John Slessor’s RAF Coa... Read More

'Sugar Loaf' was a British naval undertaking to land a party of agents on the coast of the island of Sumatra in the Japanese-occupied Netherlands East Indies (May 1944). ... Read More

'Suitcase' was a Canadian offensive by General H. D. G. Crerar’s 1st Army in the area to the north of Antwerp on the Belgian coast with the object of assisting in the isolat... Read More