List of Entries search and rescue searchlights Sebastopol, siege of (1941–1942) second front Second Imperialist War (1939–1941) Secret Intelligence Service (SIS) section Seeckt, Hans von (1866–1936) Seekriegsleitung (Skl) SEELÖWE (1940) Seelow Heights Selassie, Haile (1892–1975) Selective Service Act self-propelled guns Senger Line separate peace Serbia serenade Serrate Service Schools SEXTANT SEYDLITZ (July 1942) Seyss-Inquart (1892–1946) SHAEF Shaker technique Shandong peninsula Shanghai, Battle of (1937) Shanghai incident (January 28–March 3, 1932) Shaposhnikov, Boris M (1882–1945) SHELLBURST Shenyang incident (1931) shido minzoku Shinto Shinyo shipyards Shlisselburg corridor Shoah Shock Army Sho-Go ˉ (1944–1945) short bombing Shoˉwa emperor show trials shrapnel shtraf units Shturmovik Shumilov, Mikhail S (1895–1975) shuttle bombing Siam Sichelschmitt Sicherheitsdienst (SD) Sicherheitspolizei Sicily, invasion of Sidi Barrani, Battle of (December 1940) Sidi Razegh siege warfare Siegfried Line Siegfriedstellung Sierra Leone SIGABA signals Sikorski, Wladislaw (1881–1943) Silesia Simonds, Guy (1903–1974) Simpson, William (1888–1980) Singapore single thrust debate (1944) Siniavino offensive operation (August 19–October 20, 1942) sink on sight Sino–Japanese War (1937–1945) Sinti Sinzweya, Battle of (1944) Sipo SIS Sitrep Sitzkrieg skip bombing Skorzeny, Otto (1908–1975) sky markers Slapton Sands attack (April 28, 1944) slavery SLEDGEHAMMER Slim, William (1891–1970) slit trench Slot, The Slovakia Slovak Uprising (1944) Slovenia xxxvii