Index Sinti See Roma Sinzweya, Battle of (1944) See Admin Box, Battle of Sipo See Sicherheitspolizei SIS See Secret Intelligence Service Sitrep, 992 Sitzkrieg, 851, 992 Skip bombing, 162, 180, 992 – 93 Skorzeny, Otto (1908–1975), 596, 665, 960, 993, 1152 Sky markers See Target Indicators (TIs) Slapton Sands attack (April 28, 1944), 933 Slavery See Burma-Siam railway; Concentration camps; Death camps; GULAG; Hiwis; Holocaust; Ianfu; Imperial Japanese Army; Ostarbeiter; Peenemünde; Prisoners of war; Schutzstaffel (SS); Todt organization; Vichy; V-weapons program; War crimes; Wehrmacht SLEDGEHAMMER, 993 – 94 Slim, William (1891–1970), 201, 562, 994, 1111 See also Unconditional surrender Slit trench, 806, 994 See also Octopus pot Slot, The See Guadalcanal campaign (August 7, 1942–February 7, 1943) Slovakia See Czechoslovakia; Slovak Uprising Slovak Uprising (1944), 281, 994 Slovenia See Yugoslavia Slowikowski, Rygor, 13 Smersh, 187, 528, 835, 872, 916, 947, 995, 1009, 1144 See also Brest-Litovsk; Russian Liberation Army (ROA); Vlasovites Smith, Holland (1882–1967), 995 Smith, Walter Bedell (1895–1961), 995 Smokescreens, 222, 345, 995 – 96 See also Panzerjägdgruppe; White phosphorus Smolensk, Battle of ( July–September, 1941), 132, 626, 996, 996, 1062, 1075 See also Katyusha Smolensk Gate, 996, 997 Smolensk strategic operation See SUVOROV Smuts, Jan Christian (1870–1950), 997, 1000 SNAFU, 997 See also FUBAR Snipers, 997 – 98 See also Dogs; Jäger; Slit trench Sobibor, 998 Social-Darwinism See Anti-Semitism; Aryan; Autarky; Fascism; Geopolitik; Germany, conquest of; Hitler, Adolf; Mussolini, Benito; Nazism 1308 Social fascism, 998 SOE See Special Operations Executive (SOE) Sokolovsky, Vasily D (1897–1968), 998 – 99 Soloman Islands See Bougainville; Choiseul; Eastern Solomons, Battle of; Guadalcanal campaign; Kolombangara, Battle of; Kula Gulf, Battle of; New Georgia campaign Solomon Sea, Battle of (1942) See Eastern Solomons, Battle of SONAR, 957, 999 Sonderkommando, 254, 259, 704, 893, 999, 1022, 1176 Sonderweg See Germany; Nazism Songhua (Songari) Fleet See Imperial Japanese Navy SONNENBLUME (February–March, 1941), 999 SONNENWENDE (February 16–21, 1945), 1000 See also Germany, conquest of Sorge, Richard (1895–1944), 141, 744, 901, 1000 SOS, 1000 South Africa, 1000–1001 See also New Order South East Asia Command (SEAC), 1001 South Pacific Area, 1001 South West Pacific Area (SWPA), 103, 163, 244, 692, 1001 See also New Guinea Force Soviet Air Force See Red Army Air Force (VVS) Soviet Army, 1001 – Soviet Navy, 1041 Soviet Union, 1004 – 12 See also Desertion; Kulaks; NKGB; OGPU; Opolchentsy; Tripartite Pact Sovinformburo, 1013 Spaatz, Carl (1891–1974), 1013 Spahis See Armée d’Afrique Spain, 1013 – 17 See also International brigades; ISABELLA; Nonbelligerence Spanish Civil War (1936–1939), 116, 163, 171, 173, 253, 268, 358, 378, 385, 404, 435, 458, 463, 485, 514, 574, 639, 662, 685, 735, 742, 778, 908, 1017 – 20 See also Fifth column; Guernica; League of Nations; Neutrality Acts; Red Army Air Force; additional entries throughout the encyclopedia