Abbreviations Used in Military Documents and for Medal Inscriptions - Abbreviations: S
Page 17 of 23
S |
|
| S | South, Scottish, Service, Supply |
| S & C SMITH | Shoeing and Carriage Smith |
| S & M | Sappers & Miners |
| S & T | Supply and Transport |
| S & T CORPS, S & T C | Supply & Transport Corps |
| S A I RGT, SAI REGT | South African Irish Regiment |
| S AFR | South Africa(n) |
| S AKILES | Stipendary Akiles |
| S ARMS SCH | Small Arms School |
| S ASST SGN, SA SGN | Sub Assistant Surgeon |
| S ATTDT | Smoke Attendant |
| S BR | Stretcher Bearer |
| S C CORPS | Sudan Camel Corps |
| S GDS | Scots Guards |
| S HD | Spare Hand |
| S I RY VOL R | South India Railway Volunteer Regiment |
| S IR H, S IRISH H | South Irish Horse |
| S LAN R, S LANCS | South Lancashire Regiment |
| S MJR (AC) | Sergeant Major Artillery Clerk |
| S MJR INSTR | Sergeant Major Instructor |
| S NIG MC | South Nigerian Medical Corps |
| S NIG R | South Nigeria Regiment |
| S NOTTS HRS | South Notts Hussars |
| S OF M | School of Musketry |
| S PROV CC | Southern Province Cyclist Corps |
| S RHOD P STAFF | Southern Rhodesia Permanent Staff |
| S RHOD R | Southern Rhodesia Regiment |
| S RHOD VC | South Rhodesia Volunteer Corps |
| S RHODESIAN TF | Southern Rhodesia Territorial Force |
| S SGT, S SJT, S SERS, S SJT | Staff Sergeant |
| S STAFF R, S STAFFS R, SSTAFFS | South Staffordshire Regiment |
| S STH | Shoeing Smith |
| S TAALIM | Battalion Sergeant Major |
| S TAYIN | Battalion Quarter Master Sergeant |
| S TYPIST | Steno Typist |
| S WALES BORD | South Wales Borderers |
| S WAZ MIL , S WAZ MILITIA, SW MILITIA | South Waziristan Militia |
| S WAZ SCTS | South Waziristan Scouts |
| S&AH | Southerland & Argyll Highlanders |
| S&CD | Sydney & Canso Defences |
| S&LP | Syrian & Lebanese Ports |
| S&PRCASC | Stationary & Printing, Royal Canadian Army Service Corps |
| S&TC | Supply and Transport Corps |
| S&TDRCASC | Supply & Transport Details, Royal Canadian Army Service Corps |
| S(Prob) | Signalman (Probationer) |
| S/ | Staff |
| S/D | Submarine Detector |
| S/L | Squadron Leader, Searchlight, Sailing List |
| S/Lieut | Second Lieutenant |
| S/M | Sergeant Major, Submarine |
| S/NURSE | Staff Nurse |
| S/P | Signalling Projector |
| S/QMS | Staff Quartermaster-Sergeant |
| S/S | Sound Signalling |
| S/T | Sonic Telegraphy |
| SA | South Africa(n), Salvation Army, Susistence (or Separation) Allowance, Small Arms, South Atlantic, Supply (or Stores) Assistant |
| SA ADMIN SERV | South African Administration Service |
| SA AMM COL | South African Ammunition Column |
| SA AVIATION C | South African Aviation Corps |
| SA IRISH, SA IRISH R, SA IRISH REGT | South African Irish Regiment |
| SA MTD BDE | South African Mounted Brigade |
| SA RIF | South African Rifles |
| SA SIG C | South African Signal Corps |
| SA SUP C | South African Supply Corps |
| SA VETRY C | South African Veterinary Corps |
| SA/S | Superintendent, Anti-submarine |
| SAA | Small Arms Ammunition, South African Artillery |
| SAABRCA | Section Anti-Aircraft Battery, Royal Canadian Artillery |
| SAAC | South African Armoured Corps |
| SAALO | Senior Anti-Aircraft Ack Liaison Officer |
| SAAMS/LTRCA | Special Anti-Aircraft Mobile Search Light Troop, Royal Canadian Artillery |
| SAB | Stores Audit Branch |
| SAC | Soldier Aid Commission (Department of Veterans Affairs), South African Constabulary, Strategic Air Command, Senior Aircraftman |
| SACDC | South African Coastal Defence Corps |
| SACDLS | South African Coastal Defence & Lighthouse Service |
| SACEUR | Supreme Allied Commander Europe |
| SACOW/SRCOC | Section Armoured Corps Ordnance Workshop, Royal Canadian Ordnance Corps |
| SACSC (RE) | South African Corps Signal Company Royal Engineers |
| SACSEA | Supreme Allied Commander, South-East Asia |
| SADF | South African Defence Force |
| SADS | Squadron Armoured Division Signals |
| SADSC | South African Despatch Service Corps |
| SAE | School of Aeronautical Engineering, Senior Assistant Engineer |
| SAEC | South African Engineer Corps |
| SAFA | South African Field Ambulance, South African Field Artillery |
| SAFR ART | South African Artillery |
| SAFT & PC | South African Field Telegraph & Postal Corps |
| SAFT & PU | South African Field Telegraph & Postal Unit |
| SAH | South African Horse, South Alberta Horse, South African Highlanders |
| SAHA | South African Horse Artillery |
| SAI BDE, SAI BGDE | South African Infantry Brigade |
| SAI, SA INF | South African Infantry |
| SAIL MTE, SLMKR MTE | Sailmaker's Mate |
| SAIRCEME | Small Arms Inspectorate, Royal Canadian Electrical and Mechanical Engineers |
| SAirSO | Station Air Services Officer |
| SALH | South African Light Horse, South Alberta Light Horse |
| SALN BRMN | Saloon Barman |
| SAM | School of Aircraft Maintenance, School of Aviation Medicine |
| SAM RIF | South African Mounted Rifles |
| SAMC | South African Medical Corps |
| SAMCC | South African Motor Cyclists Corps |
| SAMDR | South African Military Despatch Riders |
| SAME | South African Mounted Engineer |
| SAMH | Ste Anne's Military Hospital |
| SAMIF | South African Mounted Irregular Forces |
| SAMNS | South African Medical Nursing Service |
| SAMP | South African Military Police |
| SAMR | South Australia Mounted Rifles, South African Mounted Regiment |
| SAMR MED SEC | South African Mounted Regiment Medical Section |
| SAMRFAB | South African Mounted Regiment Field Artillery Brigade |
| SAMRMBFA | South African Mounted Regiment Mounted Brigade Field Artillery |
| SAN | Sanitary, Sanitation |
| SAN INSPR | Sanitary Inspector |
| SAN SECT, SAN SEC | Sanitary Section |
| SANDF | South African National Defence Force |
| SANLC | South African Native Labour Corps |
| SAO | Senior (or Squadron) Accountant Officer, Staff Accountant, Senior Administrative Officer |
| SAOC | South African Ordnance Corps |
| SAOI | Semi-Annual Ordnance Inspection |
| SAP | Soldier Apprentice Plan |
| SAP | South African Police |
| SAPC | South African Postal Corps |
| SAPR, SAPB | South African Pioneer Battalion |
| SAR | South Albert Regiment, School of Aircraft Recognition, Sarwal |
| SARFC | South African Royal Flying Corps |
| SARG | South African Railway Gaugers |
| SAROC | South African Railway Operating Company |
| SARODS | South African Railway Overseas Dominion Section |
| SARS | South African Railway Section |
| SAS | Superintendent Anti-Submarine, Special Air Service |
| SASC | Small Arms School Corps, South African Service Corps |
| SASCIB TRAIN | South African Service Corps Infantry Brigade Train |
| SASCMB TRAIN, SASCMB | South African Service Corps Mounted Brigade Train |
| SASCMT | South African Service Corps Motor Transport |
| SASCS, SASC SUPPLIES | South African Service Corps Supplies |
| SASCT & R | South African Service Corps Transport & Remounts |
| SASE | South African Service Engineers |
| Sask | Saskatchewan |
| SASO | Senior Air Staff Officer |
| SASRFC | South African Squadron Royal Flying Corps, Special Air Service Regiment |
| SASS | Special Air Service Regiment |
| SASSRA | South African Special Service Field Ambulance |
| SAT | Superintendent of British Air Training |
| SATC | South African Transport Corps |
| SAV | Staff Assistance Visit |
| SAVC | South African Veterinary Corps |
| SAVR, SA VET R | South African Veterans Regiment |
| SAWSC | South African Water Supply Company |
| SB | Stretcher Bearer, Siege Battery, Special Branch, Stockbrokers' Battalion (10th Battalion Royal Fusiliers), Signal Boatswain |
| SBA | Sick Berth Attendant |
| SBA(Prob) | Sick Berth Attendant (Probationer) |
| SBCPO | Sick Berth Chief Petty Officer |
| SBD | Superintendent of Boom Defence |
| SBG | Small Box Girder (Bridge) |
| SBL | Static Base Laundry |
| SBLRCOC | Static Base Laundry, Royal Canadian Ordnance Corps |
| SBNO | Senior British Naval Officer |
| SBPC | Senior British Naval Officer |
| SBPO | Sick Berth Petty Officer |
| SBR | Special box respirator |
| SBRCA | Searchlight Battery, Royal Canadian Artillery |
| SBS | Special Boat Service |
| SBS, SB STD | Sick Berth Steward |
| SC | Seaford Camp, Service Chevrons, Ship's Circulation, Senior Constructor, Star of Courage, New York (Halifax, Sydney - United Kingdom Convoy, Scout, Staff Captain |
| SC CORPS | Supply Commissariat Corps |
| SCAEF | Supreme Commander Allied Expeditionary Force |
| SCAP | Supreme Commander for the Allied Powers |
| SCC | Surrey County Council |
| SCCRCOC | Salvage Collecting Centre, Royal Canadian Ordnance Corps |
| SCES | Special Construction Equipment Section |
| SCF | Senior Chaplain to the Forces |
| SCFO(O) | Senior Canadian Flag Officer (Overseas) |
| SCHAEF | Supreme Command Allied Expeditionary Force, Special Command Allied Expeditionary Force |
| Schnr | Schooner |
| SCHOOLMASTER | Schoolmaster |
| SCHRCAMC | Sarcee Camp Hospital, Royal Canadian Army Medical Corps |
| SchuMi | Schutzenmine |
| SCHWEBO BN | Schwebo Battalion |
| SCI | Staff Corps Indian |
| SCL | Superintendent of Construction Liaison |
| SCLI | Somerset and Cornwall Light Infantry |
| SCMN | Sculleryman |
| SCNO | Senior Canadian Naval Officer |
| SCNO(L) | Senior Canadian Naval Officer (London) |
| SCO | Searchlight Control Officer |
| SCO H SCTS | Scottish Horse Scouts |
| SCO H, SCOTTISH H, SH, SCOHSE | Scottish Horse |
| SCO RIF | Scottish Rifles (Cameronians) |
| SCONDVA | Standing Committee on National Defence and Veterans Affairs |
| SCOTT'S RG | Scott's Railway Guards |
| SCPO | Stoker Chief Petty Officer, Supply/Stores Chief Petty Officer |
| SCRR | Special Commission on the Restructuring of the Reserves |
| SCS | Ship's Conducting Staff |
| SCTW | Special Concession Transport Warrant |
| SCWO | School Chief Warrant Officer |
| SD | Shore Defence |
| SD | Staff Duties, Strength Decrease |
| SD S SJT | Saddler Staff Sergeant |
| SD&GH | Stormont, Dundas & Glengarry Highlanders |
| SD&T, SDandT | Staff Duties and Training |
| SD(Schedules) | Supplementary Demand / Distribution (Schedules) |
| SD(W) | Staff Duties (Weapons) |
| SDC | Secretary of Defence Council, Shipyard Development Committee |
| SDCCS | Special Detachment Canadian Corps Signals |
| SDCPC | Special Detachment Canadian Provost Corps |
| SDCWAC | Special Detachment, Canadian Women's Army Corps |
| SDDDToronto | Special District Distributing Depot |
| SDDS(ET) | Senior Deputy Director of Stores (Eastern Theatre) |
| SDDSRCCS | Sussex Detachment Division Signals, Royal Canadian Corps of Signals |
| SDDT | Special Distributing Depot, Toronto |
| SDF | Sudan Defence Force |
| SDGH | Stormont and Glengarry Highlanders |
| SDI | Submarine Detector Instructor |
| SDIE | Subordinate Department Indian Engineers |
| SDLR | Saddler |
| SDN | Squadron |
| SDO | Signal Distributing (or District) Office |
| S-DPC RCASC | Sub-Depot Pacific Command, Royal Canadian Army Service Corps |
| SDQM-CPL SGT | Saddler Quarter Master Corporal/Sergeant |
| SDR | Strategic Defence Review |
| S-DRCASC | Sub-Depot, Royal Canadian Army Service Corps |
| SDRCE | Stores Depot, Royal Canadian Engineers |
| SDSRCCS | Section Division Signals, Royal Canadian Corps of Signals |
| SE | Sergeant, Servicing Echelon, Safety Equipment Mechanic |
| SEA | South East Asia, South East Atlantic Area, Senior Executive-Assistant to the Minister |
| SEA H, SEA HIGHRS, SH, SEAFORTH, SEAF, Seaforth(ofCanada) | Seaforth Highlanders |
| SEAACHQ | South East Asia Air Command Headquarters |
| SEAC | South East Asia Command |
| SEAFOG | South East Asia Fighter Operations Graticule System |
| SEATIC | SEATIC - South East Asia Translation and Interrogation Center |
| SEC | Section, Sector, Second(ed), Secretary, Security, Special Employment Company |
| Secd | Seconded |
| SecNB | Secretary, Naval Board |
| SecNB | Secretary, Naval Officer |
| SecNP | Secretary, Naval Personnel |
| SECO | South Eastern Command (United Kingdom) |
| SecOB | Secretary Ordnance Board |
| SECPC | Special Employment Company Pacific Command |
| Secy | Secretary |
| SED | Superintendent Equipment Division |
| SEE | Superintendent Electrical Engineer |
| SEEDIE | Seedie |
| SEF | Siberian Expeditionary Force, Salary Equalization Factor |
| SEHU | Surplus Equipment Holding Units |
| SEIN | Sergeant Instructor |
| SELT | Sergeant Lieutenant |
| SEN RES, SR | Senior Reserve |
| SEng | Stationary Engineer |
| SEO | Senior (or Squadron) Engineer Officer |
| SEO(CO) | Senior Engineer Officer (Combined Operations) |
| SEP | Special Employment Platoon, Sepoy |
| SEP | Sepoy |
| SEPA | South East Pacific Area |
| SEPI | Sergeant Pioneer |
| Sergt, Serjt, Sers, Shawish, Srgt, Sgt | Sergeant |
| SERSupt | Safety Equipment and Aircraft Refinishing Superintendent |
| SERV | Served |
| SERVICE WITH THE ROYAL NAVY | Service with the Royal Navy |
| SETech | Safety Equipment Technician |
| SETRU | Sergeant Trumpeter |
| SETTLE'S SCTS | Settles' Scouts |
| SEYCHELLES LC | Seychelles Labour Contingent |
| SF | Sea Fencibles, Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) |
| SFC | School of Fighter Control |
| SFFS | Ships Fire Fighting School |
| SFofC | Scots Fusiliers of Canada |
| SFOR | Stabilization Force |
| SFR | Sherbrook Fusiliers Regiment |
| SFSCFC | Special Forestry Section Canadian Forestry Corps |
| SFTS | Service Flying Training Schools |
| SG | Sydney-Greenland Convoy, Senior Grade, Signalman |
| SG, SGDS | Scots Guards |
| SGB | Steam Gun Boat |
| SGD | Signed |
| SGHQCRCASC | Section General Headquarters Company, Royal Canadian Army Service Corps |
| SgL | Surgeon Lieutenant |
| SgLCd | Surgeon Lieutenant Commander |
| Sgln, Sgmn | Signalman |
| SGLR, SIG, SNR, SGR | Signaler |
| SGO | Squadron Gunnery Officer |
| SGOCRCOC(AD) | Support Group Ordnance Company, Royal Canadian Ordnance Corps |
| SGS | Surveyor General of Supply |
| SgtP, SgtPlt | Sergeant Pilot |
| SGW/SRCOC | Support Group Workshop, Royal Canadian Ordnance Corps |
| SH CK | Ship's Cook |
| SH CPL | Ships Corporal |
| SH STD | Ships Steward |
| SH, SHPT | Shipwright |
| SHA | Shore Authority Number |
| SHAEF | Supreme Headquarters Allied Expeditionary Force |
| SHAPE | Supreme Headquarters Allied Powers Europe |
| SHAPE | Supreme Headquarters, Allied Powers, Europe |
| SHARP | Standard for Harassment and Racism Prevention |
| SHAWISH | Sergeant (Indian Army) |
| SHBRCA | Super Heavy Battery, Royal Canadian Artillery |
| SHEAF | Supreme Headquarters, Allied Expeditionary Force |
| SHER FOR | Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) |
| SherFusR | Sherbrooke Fusiliers Regiment |
| SherRang | Sherwood Rangers Yeomanry |
| SHMKR SJT | Shoemaker Sergeant |
| SHofC | Seaforth Highlanders of Canada |
| SHPT APPC | Shipwrights Apprentice |
| SHPT LT | Shipwright Lieutenant |
| Shpt, 1c (or 2c,3c,4c,5c) | Shipwright, 1st Class (or 2nd,3rd,4th or 5th Class) |
| SHQ | Station Headquarters, Section Headquarters |
| SHR | St Hyacinthe Regiment |
| SHROPS LI | Shropshire Light Infantry |
| SHROPS YEO, SHROPSY | Shropshire Yeomanry |
| ShrW | Shrapnel Wound |
| SHUNTER | Shunter |
| SHURCCS | Signals Holding Unit, Royal Canadian Corps of Signals |
| SI | Strength Increase, Special Instruction |
| SIALKOT CAV BDE | Sialkot Cavalry Brigade |
| SIB | Special Investigation Branch |
| SIC | Special Infantry Company |
| SIDG | Superintending Inspector of Degaussing |
| SIDPHQCRU | Section "I" Defence Platoon Headquarters Canadian Reinforcement Unit |
| SIERRA LEONE CC | Sierra Leone Carrier Corps |
| Sig | Signalman, Signaller, Signalling |
| SIG BOY | Signal Boy |
| SIG TP, SIG TRP | Signal Troop |
| Sig(s) | Signal(s) |
| SIGINT | Signals Intelligence |
| Sigmn | Signalman |
| SigSea | Signalman (Sea) |
| SIH | South Irish Horse |
| SIKH PIONEERS | Sikh Pioneers |
| SIKHS | Sikhs |
| SIKLIGAR | Sikligar |
| SInv | Security Investigator |
| SIOCO | Senior Intelligence Officer, Combined Operations |
| SIR | Seniority in Rank |
| SIRDAR | Commander in Chief |
| SIS | Secret Intelligence Service |
| SISCPC | Special Investigation Section Canadian Provost Corps |
| SISO | Senior Intelligence Staff Officer |
| SISTER | Sister |
| SIT | Situation |
| SITC | Special Infantry Training Centre |
| Sitrep | Situation Report |
| SIU | Special Investigation Unit |
| SIV | Staff Inspection Visits |
| SIW | Self-Inflicted Wound |
| SJF(MG) | St John Fusiliers (Machine Gun) |
| SJMH | St Jerome Military Hospital |
| SJMHRCAMC | St John's Military Hospital, Royal Canadian Army Medical Corps |
| SJSMHRCAMC | Saint James Street Military Hospital, Royal Canadian Army Medical Corps |
| SJT MECH | Sergeant Mechanic |
| SKP, SKR | Skipper |
| SKRYNWERKER | Carpenter |
| SKTR | Skutter Rifleman |
| S-L BN | Sierra-Leone Battalion |
| S-L CC | Sierra-Leone Carrier Corps |
| S-L COY RE | Sierra Leone Company Royal Engineers |
| S-L COY RGA | Sierra-Leone Company Royal Garrison Artillery |
| SL, S/L | Sailing List |
| SL, Slmk, Slmkr | Sailmaker |
| SLA | Service Level Agreement |
| SLBM | Submarine Launched Ballistic Missiles |
| SLC | Searchlight Control, Radar, Support Landing Craft |
| SLI | Somerset Light Infantry (Prince Albert's) |
| SLI(MG) | Saskatoon Light Infantry (Machine Gun) |
| SLICGRU | "S" List I Canadian General Reinforcement Unit |
| SLR | South Lancashire Regiment (Prince of Wales's Volunteers) |
| SLR | Superintendent of Light Railways |
| SLt | Sub-Lieutenant |
| SLTW | Special Leave Travel Warrant |
| SLU | Secret Liaison Unit, Special Liaison Unit (British Ultra), Signals Landline Unit |
| SM | Sergeant Major, Stoker Mechanic |
| SMBH | Standing Medical Board Hamilton |
| S-MC | Sergent-Major De Compagnie |
| SMD | Superintendent of Mining & Design |
| SMEBritUnits | School of Mechanical Engineers |
| SMG | Sergeant Major, Sub Machine Gun |
| SMH | Sorel Military Hospital |
| SMHIRCAMC | Sydney (or Saskatoon, Shelburne, Sherbrooke, Simcoe, Suffield, Sussex) Military Hospital Installation, Royal Canadian Army Medical Corps |
| SMi | Shrapnel Mine |
| SMITH | Smith |
| SMJR, S MJR, S/MAJ, S/MAJ, SM | Sergeant Major |
| SMK | Smoke |
| SMLE | Short Magazine Lee Enfield |
| Smn | Seaman |
| SMN RIGGER | Seaman Rigger |
| SMO | Senior Medical Officer |
| SMO(D) | Squadron Medical Officer (Dental) |
| SMP | Special Military Probationer |
| S-MR | Sergent-Major Regimentaire |
| SMS | Stokes Mortar Section |
| SMSO | Senior Maintenance Staff Officer |
| SMTP | Special Militia Training Program |
| SMTSIDRCOC | Special Mechanical Transport / Military / Militia or Motor Transport Stores Increment Detachment, Royal Canadian Ordnance Corps |
| SN | Sonarman |
| SNAD | Supt Naval Armament Depot |
| SNCF | Southern Naval Coastal Frontier |
| SNCO | Senior Non Commissioned Officer |
| SNEO(T) | Senior Naval Experimental Officer (Torpedoes) |
| SNHY | South Nottinghamshire Hussars Yeomanry |
| SNLF | Special Naval Landing Force (Japanese) |
| SNLR | Services No Longer Required |
| SNO | Senior Naval Officer |
| SNOAL | Senior Naval Officer Advanced Landing |
| SNOC | Senior Naval Officer Cyrenaica |
| SNOCA | Senior Naval Officer Casablanca Area |
| SNOCON | Senior Naval Officer Combined Operations North |
| SNOCOW | Senior Naval Officer Combined Operations Isle of Wight |
| SNOESy | Senior Naval Officer, Eastern Sicily |
| SNOL | Senior Naval Officer Landing |
| SNOLA | Senior Laval Officer Landing, Levant Area |
| SNOTrip | Senior Naval Officer Tripolitania |
| SNR | Senior Naval Representative |
| SNSO | Superintending Naval Store Officer |
| SO | Senior (or Staff, Signals, Sanitation) Officer, Standling Orders, Special Operator |
| SO PRO MTD RIF | Southern Provinces Mounted Rifles |
| SO(A/AIR) | Staff Officer for Air Duties |
| SO(CO) | Staff Officer (Combined Operations) |
| SO(D)S | Senior Officer (Dutch Ships) |
| SO(I) | Staff Officer (Intelligence) |
| SO(M) | Staff Officer (Material) |
| SO(O) | Staff Officer (Operations) |
| SO(P) | Staff Officer (Plans) |
| SO(T) | Staff Officer (Trade) |
| SO/SM | Senior Officer, Submarine |
| SOACEF | Senior Officer Aircraft Carriers Eastern Fleet |
| S-OBREV1 | Sous-Officier Breveté de 1re Classe |
| S-OBREV2 | Sous-Officier Breveté de 2eme Classe |
| SOC | Senior Officers Course |
| SOCO | Signal Officer, Combined Operations |
| SOCS | Staff Officer Control Service (Naval) |
| SODS(Air) | Staff Officer Dental Services (Air) |
| SOE | Special Operations Executive |
| SOEscorts | Senior Officer Escorts |
| SOF(V) | Senior Office Force (V) |
| SofA | School of Artillery |
| SofC | School of Cookery |
| SofS | Statement of Service |
| SOFSC | Senior Officer Fleet Signal School |
| SOH | Staff Officer (or Senior, Signal, Standing Orders) Raiding Squadron "H" |
| SOI | Staff Officer - Intelligence |
| SOK | Norwegian Mission, Cockspur St South West 1 |
| SOL CLERK | Soldier Clerk |
| SOM CC | Somaliland Camel Corps |
| SOM IND CONT | Somaliland Indian Contingent |
| SOM LI | Somerset Light Infantry |
| SOMBB | Senior Officer Motor Boat Base or Senior Officer Mobile Balloon Barrage |
| SOME | Senior Ordnance Mechanical Engineer |
| Sonarmn | Sonarman (Sea) |
| SONT | Senior Officer Northern Trawlers |
| SOO | Senior Operating Officer, Ship's Ordnance Officer, Staff Officer for Operational Duties |
| SOPL | Staff Officer Polish Liaison |
| SORE | Staff Officer, Royal Engineers |
| SORM | Senior Officer, Royal Marines |
| SORS(B) | Senior Officer Raiding Squadron "B" |
| SORS(D) | Senior Officer Raiding Squadron (Dutchmen) |
| SORS(H) | Senior Officer Raiding Squadron "H" |
| SORTF | Senior Officer Radar Training Flotilla |
| SOS | Struck off strength, also used in an emergency, Send Ordinary Course, Senior Officer Chasseurs |
| SOS1RCOCRU | Struck Off Strength 1 Reserve or Regiment, Canadian Ordnance Corps Reinforcement Unit |
| SOSEF | Senior Officer Sues Escort Force |
| SOSG | Senior Officer Support Group |
| SOTC | Special Officers Training Centre |
| SOTLDF | Senior Officer Thames Local Defence Flotilla |
| SOVMPF | Senior Officer Vernon Mine Recovery Flotilla |
| SoW | Superintendent of Works |
| SOWAR | Sowar |
| SP | Strongpoint, Self-Propelled, Start (or Support) Point, Shore Patrol, Signal Publication, Staging Post, Special Posting, Sapper, Security Police, Support |
| SP AM MTE | Supply Armourer's Mate |
| SPA | South Pacific Area |
| SPB | Service Police Barracks |
| SPBulletin | Senior Psychologist's (Administration) Bulletin |
| SpConst | Special Constable |
| SPCOSA | Spare Part Control Offices South Africa |
| Spec | Special, Specialist |
| SpecInc | Special Increment |
| SPENAVO | Special Naval Observer, London (US) |
| SPL RES TRPT | Special Reserve Transport |
| SPNOCD | Senior Polish Naval Officer, Clyde District |
| SPO(FF) | Stoker Petty Officer (Fire Fighter) |
| SPO, STO PO | Stoker Petty Officer |
| SPR, SPR, SP | Sapper |
| SPRINGBOK KDO | Springbok Kommando |
| SPS | Staff and Personnel Support |
| SPSO | Senior Personnel Staff Officer |
| SPSRCASC(D) | Supply Personnel Section, Royal Canadian Army Service Corps (Deffered) |
| SPTF | Seaplane Training Flight |
| Spts | Sportsman |
| Spvr | Supervisor |
| SQ | Sydney-Quebec Convoy, Soldier Qualification |
| SQ CPL MJR | Squadron Corporal Major |
| SQ QM CPL | Squadron Quarter Master Corporal |
| SQ QM SJT | Squadron Quarter Master Sergeant |
| SQ S MJR, SSMC | Squadron Sergeant Major |
| Sqd, Sqdn, Sqn | Squadron |
| SQFT | Secteur du Québec de la Force terrestre |
| SQ-M | Sergent Quartier-Maitre |
| SQM SJT | Staff (or Squadron) Quartermaster Sergeant |
| SQ-MBATT | Sergent Quartier-Maitre De Batterie |
| SQ-MCIE | Sergent Quartier-Maitre De Compagnie |
| SQ-MESC | Sergent Quartier-Maitre D'Escadron |
| SQMS | Squadron (or Staff) Quartermaster-Sergeant |
| SQN CAV EA | Squadron Cavalry Egyptian Army |
| SR | Scottish Rifles (The Cameronians), Suffolk Regiment, Senior, Supplementary (or Special) Reserve, Scottish Regiment, Strength Return |
| SR ASST SGN | Senior Assistant Surgeon |
| SR N SISTER | Senior Nursing Sister |
| SR&BRCA | Survey Regiment & Battery, Royal Canadian Artillery |
| SRA | Southern Rhodesia Artillery, Senior Reserve Attendant |
| SRARNAH | Surgeon Rear Admiral Royal Navy Auxiliary Hospital |
| SRBRCA | Sound Ranging Battery, Royal Canadian Artillery |
| SRC | Signals Refresher Course |
| SRD | Supply Ration (or Reserve) Depot (typically found on rum jars), Special Ration Department, Special Reserve Depot, Special Radar Detachment, Special Recruiting Detachment, Service Rum Diluted?? |
| SRE | Sound Reproduction Equipment |
| SRG | Special Reinforcement Group |
| SRItoSRRCA | Sound Ranging Increment to Survey Regiment, Royal Canadian Artillery |
| SRMGD | Sherbrooke Regiment Machine Gun Depot |
| SRN SISTER | Senior Sister |
| SRNO | Senior Royal Navy Officer, Squadron Royal Marine Officer |
| SRNR | Shetland Royal Naval Reserve |
| SRO | Squadron Physical and Recreational Training Officer |
| SRRCA | Searchlight (or Survey) Regiment, Royal Canadian Artillery |
| SRRD | Special Repair Ratings (Dockyard) |
| SRS | Syllabus Regimental Schools, Sound Ranging Section |
| SRU | Signal Reinforcement Unit |
| SRVR | Surveyor |
| SRVT | Servant |
| SRY | Sherwood Rangers Yeomanry |
| SS | Shell-shock, Special Service, Steamship, Sanitary Section |
| SS ASST, SSA | Ships Stewards Assistant |
| SS MJR, S SJT MJR, SSJTM | Staff Sergeant Major |
| SS(British) | Special Service |
| SS(German) | Schutzstaffeln, Nazi party organizations; including elite military units and formations |
| SS/T | Super Sonic Telegraphy |
| SSA | Short Service Appointment, Ship's Steward's Assistant |
| SSaskR | South Saskatchewan Regiment |
| SSB | Superintendent of Shipbuilding, Special Service Battalion |
| SSC | Secretary Naval Staff Committee |
| SSCRU | Signals Section Canadian Reinforcement Units |
| SSDRCOC | Special Salvage Detachment, Royal Canadian Ordnance Corps |
| SSE | Staff Sergeant, Superintendent Admiralty Signal Establishment |
| SSEAP | Summer Student Employment Assistance Program |
| SSEIN | Staff Sergeant Instructor |
| SSFA | Soldiers' and Sailors' Families Association |
| SSIB | Special Services Infantry Battalion |
| SSM | Staff (or Squadron) Sergeant-Major |
| SSM&SR | Sault Ste Marie & Sudbury Regiment |
| SSMI | Squadron Sergeant-Major Instructor |
| SSO | Special (or Squadron) Signals Office(r), Senior Staff Officer, Signals Security Officer, Senior Sanitation Officer |
| SSpec | Security Specialist |
| SSR | South Staffordshire Regiment, South Saskatchewan Regiment |
| SSRC | Small Scale Raiding Craft |
| SSRCA | Special Section, Royal Canadian Artillery |
| SSRF | Small Scale Raiding Force |
| SSS | Security Service Section |
| SSS&S-S | Sussex Services Staff & Sub-Staff |
| SST | Secretary Strathcona Trust |
| SSTech | Safety Systems Technician |
| SSVF | Straits Settlements Volunteer Forces |
| ST | Standing (Medical Board), Staff, Seaman Torpedoman, Steward, Ship's Storeman |
| ST JA BDE MALTA | St Johns Ambulance Brigade |
| ST MKR | Saddle Tree Maker |
| ST OF ARMY | Staff of Army |
| ST PAYR | Staff Paymaster |
| STA, STAT, STATY | Stationary |
| STAFF | Staff, Staff Corps |
| STAFF EA | Staff Egyptian Army |
| STAFF YEO, STAFFYEO | Staffordshire Yeomanry |
| STAFFORDS, STAFFSR | Staffordshire Regiment |
| STANDERTON CDO | Standerton Commando |
| STANDERTON MP | Standerton Mounted Police |
| STAT SERV | Stationery Services |
| STAT(Y) HOSP, StatHosp, StatyHosp, Staty | Stationary Hospital |
| StatEng | Stationary Engineer |
| Stats | Statistics |
| Staty | Stationary |
| STC | Strike Command |
| STCDB | Special Tunnelling Company Detachment "B" |
| STD | Signals Training Detachment, Steward |
| STDESS | Stewardess |
| STE | Stokers' Training Establishment |
| STED | Superintendent of Torpedo Experimental Design |
| STEINACKER'S H | Steinacker's Horse |
| Steno | Stenographic Pool |
| STEP | Skilled Trades Entry Plan |
| STEW BOY | Stew Boy |
| Stew, Std, Stwd | Steward |
| StFXU | Saint Francis Xavier University |
| STH QM SJT | Smith Quarter Master Sergeant |
| StJFus | St John Fusiliers |
| StJSofAI | St Jerome School of Army Instruction |
| STK | Special Tanker, Stockbroker |
| STKPR, STKR, STRKPR | Storekeeper |
| Stn | Station |
| STN MR | Station Master |
| STO | Sea Transport Officer, Squadron Torpedo Officer |
| Sto | Stoker |
| Sto 1c (or 2c) | Stoker, 1st Class (or 2nd Class) |
| STORES SUPDT | Stores Superintendent |
| STP | Supervision Training Personnel |
| STPR | Strapper |
| Str | Strength |
| STRMN | Storeman |
| STS | Sea Transport Staff |
| ST-SE | Staff Sergeant |
| STT | School of Technical Training |
| STTD | Senior Technician, Technical Davison |
| Stwd(Prob) | Steward (Probationer) |
| SU | Staging Unit, Surgeon, Signals Unit |
| SUACW | Sub-Unit Assumption College Windsor |
| SUB | Submarine |
| SUB CDR, SUB CONDR, S CONDR | Sub Conductor |
| SUB MJR, SUBDR MAJ | Subadar Major |
| Sub-Allce | Subsistence Allowance |
| SUBDR | Subadar |
| SUB-LIEUT, S LT | Sub Lieutenant |
| Subs | Subsequently |
| SUDAN DF | Sudan Defence Force |
| SUDANESE | Sudanese |
| SUEP | Subsidized University Education Plans |
| SUFF | Suffolk, Suffolk Regiment |
| SUFF & NORF Y | Suffolk and Norfolk Yeomanry |
| SUFF R, SuffR, SUFF | Suffolk Regiment |
| SUFF YEO, SuffYeo | Suffolk Yeomanry |
| SUMA | Surgeon Major |
| SUMIRCEME | Section Unit Maintenance Inspection, Royal Canadian Electrical and Mechanical Engineers |
| SUNWMP | Superintendent North West Mounted Police |
| SUP | Supply, Supply Officer, Supplement |
| SUPDT CLK | Superintending Clerk |
| SUPDT, SUPT, SUPE | Superintendent |
| SUPEG | Eastern Group Supply Council |
| SUPP, SUP | Supplement |
| SuppPtIIO(C) | Supplementary Part II Orders (Consolidated) |
| SuppPtIIOrdersUEUKwithAAI(C) | Supplementary Part II Orders Units Expeditionary United Kingdom with Allied Armies in Italy (Consolidated) |
| SuptARY | Superintendent Aircraft Repair Yard |
| SupTech | Supply Technician |
| Supvr | Supervisor |
| Surg | Surgeon |
| SURG CAPT | Surgeon Captain |
| SURG GEN, SurgGen | Surgeon General |
| SURG LT | Surgeon Lieutenant |
| SURG PROB | Surgeon Probationer |
| Surg(Rank)forDD | Surgeon (Rank) for Dental Duties |
| Surp | Surplus |
| SURR | Surrey |
| SURR YEO | Surrey Yeomanry |
| SurvCE | Surveyor Construction Engineering |
| SUS | Soldier Under Sentence |
| SUSS | Sussex |
| SUSS YEO, SussYeo | Sussex Yeomanry |
| SUTHERLAND CDO | Sutherland Commando |
| SV | Support Vehicle, Supply Vessel, Staff Nurse |
| SVCBN | Service Battalion |
| Svce | Service |
| SVD | Superintendent Victuallying Depot |
| SVEO(M) | Senior Vernon Equipment Officer (Maintenance) |
| SVSO | Superintending Victuallying Store Officer |
| Svy(s) | Survey(s) |
| SvyBty(Regt) | Survey Battery (Regiment), Royal Canadian Artillery |
| SvyCoy | Survey Company, Royal Canadian Engineers |
| SW | Steward, Shrapnel (Shell) wound |
| SW/SRCOC | Sub Workshop, Royal Canadian Ordnance Corps |
| SW/TO | Staff Wireless Telegraphy Officer (Naval) |
| SWA | South West Atlantic Area |
| SWAZILAND P | Swaziland Police |
| SWB | South Wales Borderers |
| Swbd | Switchboard |
| SWD | Superintendent of Welding Development |
| SWD(N)(MS) | Superintendent of Welding Development (Naval) (Merchant Shipping) |
| SWGISCIC | Special Wireless Group Intelligence Section, Canadian Intelligence Corps |
| SWGRCS | Special Wireless Group, Royal Canadian Signals |
| SWL | Soldiers' Wives League |
| SWMB SIG TRP | South West Mounted Brigade Signal Troop |
| SWO | Squadron Wireless Telegraphy Officer |
| SWPA | South West Pacific Area |
| SWPAKFRON | South-west Pacific Sea Frontier |
| SWPR JEMDR | Sweeper Jemadar |
| SWRCEME | Sub Workshop, Royal Canadian Electrical and Mechanical Engineers |
| SWS | Special Wireless Station, Royal Canadian Signals |
| SY | Shropshire Yeomanry, Staffordshire Yeomanry, Surrey Yeomanry (Princess of Wales's), Sussex Yeomanry |
| SYCE | Syce |
| SYY | Surrey Yeomanry (Queen Mary's Regiment) |
| SZY | Sussex Yeomanry |