'Steinbutt' was a German attempt by the Abwehr intelligence service to establish links with the Welsh nationalist movement in the UK (early November 1940)., To this end the Ge... Read More

'Steinhäger' was a German and Finnish unsuccessful amphibious assault on the Soviet positions on Narvi island in the Gulf of Finland (27/28 June 1944)., Supported by the torp... Read More

'Steinschlag' was a German and Croat operation against the partisan forces of Marshal Josip Broz Tito in the Otočac and Vrhovine area of the puppet state of Croatia in German... Read More

'Steinsel' was a US tactical radio deception by the 23rd Headquarters Special Troops to simulate the signals traffic of Brigadier General Harold W. Blakeley’s US 4th Divisio... Read More

'Stella Polaris' was a Finnish operation to move signals intelligence records, equipment and personnel into Sweden after the end of the 'Jatkosota' continuation war with the U... Read More

'Stemmbogen' was a German naval undertaking to lay a minefield in the area to the west of the Hoek van Holland in the German-occupied Netherlands (12/13 May 1943)., The force... Read More

'Stench' was a British deception intended to send German poison gas research off at a wrong tangent by covertly passing to the Germans, who showed no interest, a British gas m... Read More

'Stencil' was a British radio deception, within 'Cloak' (ii) and also related to 'Pippin', intended to persuade the Japanese that the headquarters of Lieutenant General F. W. ... Read More

'Step' was a Canadian training exercise in the UK concerned largely with operations involved in a break-out from a beach-head or bridgehead (1/9 April 1944)., Major General C.... Read More

'Step Aside' was a British naval manoeuvre designed for employment against U-boats attacking a convoy (1944/45)., The tactic was designed specifically to cope with U-boats att... Read More

'Steppingstone' was the Allied intermediate designation for the 'Overthrow' deception plan (August/October 1942). ... Read More

'Stepsister' was a British and Australian programme to gather and move combat-experienced Australian forces, in the form of Major General Edmund F. Herring’s 6th Division an... Read More

'Sternenlauf' was a German operation against partisans in the area to the west of Dubrovno on the main rail and road links toward Moscow in the German-occupied western USSR (2... Read More

The 'Stettin-Rostock Offensive Operation' was one of the last Soviet undertakings in the European theatre in World War II, and was a sub-operation of the 'Berlin Strategic Off... Read More

'Steuben' was a U-boat wolfpack operation in the Atlantic off the Cape Race area of Newfoundland against Allied convoys (14 November/2 December 1941)., The wolfpack comprised ... Read More

'Stevedore' was the US element within the 'Forager' campaign against the Japanese forces in the Marianas islands group to land on and take the island of Guam., In the assault ... Read More

'Stich' was a German naval minelaying operation in the area to the north-west of the island of Elba in the Ligurian Sea by two ex-Italian torpedo boats of Korvettenkapitän Wi... Read More

'Stichling' was the German codeword to be used by Generaloberst Alexander Löhr, the Oberbefehlshaber 'Südost', to signal any Allied invasion in the Aegean Sea region and the... Read More

'Stier' (i) was a U-boat wolfpack operation, in tandem with 'Vorwärts', in the Atlantic against the ON.127 convoy (29 August/2 September 1942)., The wolfpack comprised U-96, ... Read More

'Stier' (ii) was a U-boat wolfpack operation in the Arctic against the JW.63 convoy (30 December 1944/21 January 1945)., The wolfpack comprised U-293, U-299, U-310, U-636, U-9... Read More

'Stiff' was a British unrealised deception plan by the Twenty (XX or Double Cross) Committee to drop a radio set, codes and perhaps a bogy to provide verisimilitude, over Germ... Read More

'Stiletto' was the British overall designation of operations in Crete by the Special Operations Executive (1941/May 1945). ... Read More

'Stimmung' was a German diversionary plan in support of 'Beowulf II', itself part of 'Nordwind' (i) (September 1941)., The operation involved a diversionary attack on Sutu bay... Read More

'Stimulate' was the US geographical rather than operational codename for Rota island in the Mariana islands group of the central Pacific (1941/45)., Rota lies 47 miles (75.5 k... Read More

'STL' was the designation of Allied convoys (together with a numerical and sometimes a literal suffix) plying the route from Freetown, Sierra Leone, via Takoradi, Gold Coast, ... Read More

'Stock' was a U-boat wolfpack operation, in tandem with 'Grube', in the Arctic against the 'Golden' passage of the JW.62 convoy and a number of Soviet coastal feeder convoys (... Read More

'Stoneage' was a British supply convoy operation from Alexandria to Malta (17/20 November 1942)., The operation was undertaken as Lieutenant General K. A. N. Anderson’s Alli... Read More

'Stonechat' was a British operation by the Special Operations Executive for H. Lund to travel overland from Stockholm in neutral Sweden work as radio operator in the vicinity ... Read More

'Stonewall' was an Allied naval operation to intercept and destroy German blockade runners off the western coast of German-occupied France (12/28 December 1943)., From the sta... Read More

'Stopper' was the British overall designation of air patrols off Brest to watch for any signs of German surface warship activity and to attack U-boats on passage to and from t... Read More

'Storch' (i) was a German unrealised plan for the deployment, by Fieseler Fi 156 Storch light aircraft, of special parties of Generalleutnant Hans Behlendorff’s 34th Divisio... Read More

'Storch' (ii) was a German operation, planned as 'Heide', in which low-lying parts of the German-occupied Netherlands were deliberately flooded with the object of slowing, if ... Read More

'Störfang' was the German capture of Sevastopol in Crimea by the German and Romanian forces of Generaloberst Erich von Manstein’s 11th Army of Generalfeldmarschall Walter v... Read More

'Stork' was a British operation by the Special Operations Executive to organise and train groups in the Sognefjord area of German-occupied Norway in weapons and resistance tac... Read More

'Störtebecker' was a U-boat wolfpack operation in the Atlantic against the OS.11 convoy (1/11 November 1941)., The wolfpack comprised U-69, U-77, U-85, U-96, U-98, U-103, U-1... Read More

'Stösser' was a German airborne undertaking, otherwise known as 'Hohes Venn' and part of the 'Greif' (iv) component of 'Wacht am Rhein', into the US rear area at Bell Croix J... Read More

'Stosstrupp' was a U-boat wolfpack operation in the Atlantic against the HX.156 convoy (30 October/4 November 1941)., The wolfpack comprised U-96, U-133, U-552, U-567, U-571 a... Read More

'STP' was the designation of Allied convoys (together with a numerical suffix) plying the route from Freetown, Sierra Leone, via Takoradi, Gold Coast, to Pointe Noire, Congo, ... Read More

'Strafe' was a German unrealised plan for an invasion of Bulgaria if that country could not be persuaded to become a willing ally in the Tripartite Pact (1941)., The governmen... Read More

'Strafgericht' was the German bombing campaign against Belgrade designed to terrorise the Yugoslav government and people into submission, and also to exact 'retribution' for w... Read More

'Straightline' was the US seizure of Wakde island and Sarmi on the north coast of Japanese-occupied western New Guinea (17/21 May 1944)., Wakde is an island with a small ancho... Read More

'Strangle' was the Allied air offensive designed to cut the maritime, road and rail lines of communication in Italy to the German armies in the area to the south of Rome (19 M... Read More

'Stratford' was a British unrealised plan for a landing in southern Norway by five battalions of Major General P. J. Mackesy’s 49th Division to provide a southern flank guar... Read More

'Strauchritter' was a U-boat wolfpack operation off the north coast of German-occupied Norway (29 April/5 May 1942)., The wolfpack comprised U-88, U-251, U-376, U-378, U-405, ... Read More

'Straw' was the US geographical rather than operational designation, later 'Peon' and finally 'Apothecary', of the Samoa islands group in the Pacific Ocean (1941/45)., Samoa i... Read More

'Strawberry' was a US special forces operation to parachute an Office of Strategic Services party into the Piedimonte area of German-occupied Italy to aid local resistance for... Read More

'Strawboard' was the US geographical rather than operational codename for the French island of Uvea in the Wallis islands group in the Pacific Ocean (1941/45)., Uvea is the ma... Read More

'Stream' was a British landing at Majunga on the north-west coast of the Vichy French island of Madagascar (10/11 September 1942)., It had become clear in the aftermath of the... Read More

'Streitaxt' was a U-boat wolfpack operation in the Atlantic off the Strait of Gibraltar against the SL.125 convoy (20 October/2 November 1942)., The wolfpack comprised U-103, ... Read More

The 'Strelna-Peterhof Offensive Operation' was a Soviet undertaking by elements of the Leningrad Front and the Baltic Fleet during the defensive stage of the battle for Lening... Read More