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Military
List of Abbreviations Used in Military Service Files
- S -
| Abbreviation | Meaning |
|---|---|
| S | Supply |
| 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 |
| S/L | Sailing List |
| S/Lieut | Second Lieutenant |
| S/M | Sergeant Major |
| S/M | Submarine |
| S/P | Signalling Projector |
| S/QMS | Staff Quartermaster-Sergeant |
| S/S | Sound Signalling |
| S/Sgt | Staff Sergeant |
| S/Sjt | Staff Sergeant |
| S/T | Sonic Telegraphy |
| SA | Salvation Army |
| SA | Subsistence Allowance |
| SA | Small Arms |
| SA | South Atlantic |
| SA | Supply Assistant |
| SA | Stores Assistant |
| SA | Staff Adjutant |
| SA | Small Arms |
| SA | South Africa(n) |
| SA | South Africa |
| SA | South African |
| SA/S | Superintendent, Anti-submarine |
| SAA | Small Arms Ammunition |
| SAABRCA | Section Anti-Aircraft Battery, Royal Canadian Artillery |
| 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) |
| SAC | South African Constabulary |
| SACOW/SRCOC | Section Armoured Corps Ordnance Workshop, Royal Canadian Ordnance Corps |
| SACSEA | Supreme Allied Commander, South-East Asia |
| SADS | Squadron Armoured Division Signals |
| SAE | School of Aeronautical Engineering |
| SAE | Senior Assistant Engineer |
| SAEC | South African Engineer Corps |
| SAIRCEME | Small Arms Inspectorate, Royal Canadian Electrical and Mechanical Engineers |
| SAIRgt | South African Irish Regiment |
| SAirSO | Station Air Services Officer |
| SAM | School of Aircraft Maintenance |
| SAM | School of Aviation Medicine |
| SAMH | Ste. Anne's Military Hospital |
| San | Sanitary |
| San | Sanitation |
| SANLC | South African Native Labour Corps |
| SanSec | Sanitary Section |
| SAO | Senior Accountant Officer |
| SAO | Staff Accountant |
| SAO | Squadron Accountant Officer |
| SAOI | Semi-Annual Ordnance Inspection |
| SAP | Soldier Apprentice Plan |
| SAR | South Albert Regiment |
| SAR | School of Aircraft Recognition |
| SAS | Superintendent Anti-Submarine (Naval) |
| Sask | Saskatchewan |
| SASO | Superintendent Armament Supply Officer |
| SASS | Special Air Service Regiment |
| SAT | Superintendent of British Air Training |
| SAV | Staff Assistance Visit |
| SB | Special Branch |
| SB | Stretcher Bearer |
| SB | Stockbrokers' Battalion (10th Battalion Royal Fusiliers) |
| SB | Signal Boatswain |
| SBA | Sick Berth Attendant |
| SBA(Prob) | Sick Berth Attendant (Probationer) |
| SBCPO | Sick Berth Chief Petty Officer |
| SBD | Superintendent Boom Defence |
| 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 |
| SBRCA | Searchlight Battery, Royal Canadian Artillery |
| SBS | Sick Berth Steward |
| SC | Seaforth Camp |
| SC | Service Chevrons |
| SC | Ship's Circulation or Senior Constructor |
| SC | Star of Courage |
| SC | New York (Halifax, Sydney) to United Kingdom Convoy |
| SC | Scout |
| 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 |
| SCFO(O) | Senior Canadian Flag Officer (Overseas) |
| Schnr | Schooner |
| SCHRCAMC | Sarcee Camp Hospital, Royal Canadian Army Medical Corps |
| SchuMi | Schutzenmine |
| SCI | Staff Corps Indian |
| SCL | Superintendent of Construction Liaison |
| SCNO | Senior Canadian Naval Officer |
| SCNO(L) | Senior Canadian Naval Officer (London) |
| SCONDVA | Standing Committee on National Defence and Veterans Affairs |
| SCORif | Scottish Rifles (Cameronians) |
| SCPO | Stoker 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 | Strength Decrease |
| SD&GH | Stormont, Dundas & Glengarry Highlanders |
| SD&T | Staff Duties and Training |
| SD(Schedules) | Supplementary Demand / Distribution (Schedules) |
| SD(W) | Staff Duties (Weapons) |
| SDandT | Staff Duties and Training |
| SDC | Secretary of Defence Council |
| SDC | 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 |
| SDI | Submarine Detector Instructor |
| Sdn | Squadron |
| SDO | Signal Distributing Office |
| SDO | Signal District Office (Naval) |
| S-DPC RCASC | Sub-Depot Pacific Command, Royal Canadian Army Service Corps |
| 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 | Servicing Echelon |
| SE | Sergeant |
| SE | Safety Equipment Mechanic |
| SEA | Senior Executive-Assistant to the Minister |
| SEA | South East Atlantic Area |
| SEAACHQ | South East Asia Air Command Headquarters |
| SEAC | South East Asia Command |
| SEAFOG | South East Asia Fighter Operations Graticule System |
| Seaforth | Seaforth Highlanders |
| SeaforthofCanada | Seaforth Highlanders of Canada |
| SeaHighrs | Seaforth Highlanders |
| SEC | Special Employment Company |
| Sec | Secretary |
| Sec | Section |
| SEC | Special Employment Company |
| SEC | Security |
| Sec | Secretary |
| Sec | Secretary to a Flag Officer |
| SEC | Special Employment Company |
| Sec | Second |
| Secd | Seconded |
| SECNAV | Secretary of the Navy (U.S.) |
| SecNB | Secretary, Naval Officer |
| SecNB | Secretary, Naval Board |
| SecNP | Secretary, Naval Personnel |
| SECO | South Eastern Command (United Kingdom) |
| SecOB | Secretary Ordnance Board |
| SECPC | Special Employment Company Pacific Command |
| Secy | Secretary, National Defence |
| SED | Superintendent Equipment Division |
| SEE | Superintendent Electrical Engineer |
| SEF | Salary Equalization Factor |
| SEF | Siberian Expeditionary Force |
| SEHU | Surplus Equipment Holding Units |
| SEIN | Sergeant Instructor |
| SELT | Sergeant Lieutenant |
| SEng | Stationary Engineer |
| SEO | Senior Engineer Officer |
| SEO | Squadron Engineer Officer |
| SEO(CO) | Senior Engineer Officer (Combined Operations) |
| SEP | Special Employment Platoon |
| SEPA | South East Pacific Area |
| SEPI | Sergeant Pioneer |
| Sergt | Sergeant |
| Serial5000 | Miscellaneous Personnel Overseas - No.1 General Reinforcement Unit |
| Serjt | Sergeant |
| SERSupt | Safety Equipment and Aircraft Refinishing Superintendent |
| SETech | Safety Equipment Technician |
| SETRU | Sergeant Trumpeter |
| 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 |
| SG | Signalman |
| SGB | Steam Gun Boat |
| SGds | Scots Guards |
| SGHQCRCASC | Section General Headquarters Company, Royal Canadian Army Service Corps |
| SgL | Surgeon Lieutenant |
| SgLCd | Surgeon Lieutenant Commander |
| Sgmn | Signalman |
| SGO | Squadron Gunnery Officer |
| SGOCRCOC(AD) | Support Group Ordnance Company, Royal Canadian Ordnance Corps |
| Sgr | Signaller |
| Sgt | Sergeant |
| SgtP | Sergeant Pilot |
| SgtPlt | Sergeant Pilot |
| SGW/SRCOC | Support Group Workshop, Royal Canadian Ordnance Corps |
| SH | Shipwright |
| SHA | Shore Authority Number |
| SHAEF | Supreme Headquarters Allied Expeditionary Force |
| SHAPE | Supreme Headquarters Allied Powers Europe |
| SHARP | Standard for Harassment and Racism Prevention |
| SHBRCA | Super Heavy Battery, Royal Canadian Artillery |
| ShCk | Ship's Cook |
| ShCpl | Ship's Corporal |
| SHEAF | Supreme Headquarters, Allied Expeditionary Force |
| SherFor | Sherwood Foresters |
| SherFusR | Sherbrooke Fusiliers Regiment |
| SherRang | Sherwood Rangers Yeomanry |
| SHofC | Seaforth Highlanders of Canada |
| Shpt | Shipwright |
| Shpt, 1c (or 2c,3c,4c,5c) | Shipwright, 1st Class (or 2nd,3rd,4th or 5th Class) |
| SHR | St. Hyacinthe Regiment |
| ShropsLI | Shropshire Light Infantry |
| ShropsYeo | Shropshire Yeomanry |
| ShrW | Shrapnel Wound |
| SHURCCS | Signals Holding Unit, Royal Canadian Corps of Signals |
| SI | Strength Increase |
| SI | Special Instruction |
| SIC | Special Infantry Company |
| SIDG | Superintending Inspector of Degaussing |
| SIDPHQCRU | Section "I" Defence Platoon Headquarters Canadian Reinforcement Unit |
| Sig | Signalman |
| Sig | Signaller |
| Sig | Signalling |
| Sig(s) | Signal(s) |
| Sigmn | Signalman |
| SigSea | Signalman (Sea) |
| SInv | Security Investigator |
| SIOCO | Senior Intelligence Officer, Combined Operations |
| SIR | Seniority in Rank |
| SIrH | South Irish Horse |
| SISCPC | Special Investigation Section Canadian Provost Corps |
| 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 | Sergeant |
| Skr | Skipper |
| SL | Sailing List |
| SL | Sailmaker |
| SLA | Service Level Agreement |
| SLanR | South Lancashire Regiment |
| SLC | Support Landing Craft |
| SLI | Somerset Light Infantry |
| SLI(MG) | Saskatoon Light Infantry (Machine Gun) |
| SLICGRU | "S" List I Canadian General Reinforcement Unit |
| Slmk | Sailmaker |
| Slmk | Sailmaker |
| SLt | Sub-Lieutenant |
| SLTW | Special Leave Travel Warrant |
| SLU | Signals Landline Units |
| SM | Sergeant Major |
| SM | 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 |
| SMG | Sub-Machine Gun |
| SMH | Sorel Military Hospital |
| SMHIRCAMC | Sydney Military Hospital Installation, Royal Canadian Army Medical Corps |
| SMHRCAMC | Saskatoon Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Shelburne Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Sherbrooke Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Simcoe Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Suffield Military Hospital, Royal Canadian Army Medical Corps |
| SMHRCAMC | Sussex Military Hospital, Royal Canadian Army Medical Corps |
| SMi | Shrapnel Mine |
| SMjr | Sergeant Major |
| Smn | Seaman |
| SMO | Senior Medical Officer |
| SMO(D) | Squadron Medical Officer (Dental) |
| S-MR | Sergent-Major Regimentaire |
| 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 |
| SNEO(T) | Senior Naval Experimental Officer (Torpedoes) |
| SNLR | Services No Longer Required |
| 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 Officer |
| SO | Signal Officer |
| SO | Signals Officer |
| SO | Staff Officer |
| SO | Standing Orders |
| SO | Special Operator |
| 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(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 Operation Executive |
| SOEATPACFOR | Commander U.S. South East Pacific Force |
| 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 / Senior Officer / Signal Officer or Standing Orders Raiding Squadron "H" or Staff Officer / Senior Officer / Signal Officer or Standing Orders Force "H |
| SOI | Staff Officer - Intelligence |
| SOK | Norwegian Mission, Cockspur St. South West 1 |
| SOMBB | Senior Officer Motor Boat Base or Senior Officer Mobile Balloon Barrage |
| SOME | Senior Ordnance Mechanical Engineer |
| SomLI | Somerset Light Infantry |
| Sonarmn | Sonarman (Sea) |
| SONT | Senior Officer Northern Trawlers |
| SOO | Staff Officer for Operational Duties |
| SOP(A) | U.S. Naval Senior Officer Present Afloat at (U.S.) |
| SOPACFOR | Commander U.S. Pacific Force |
| 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 |
| SOS | Send Ordinary Course or 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 |
| SOWESTPACFOR | Commander U.S. South West Pacific Force (U.S.) |
| SP | Shore Patrol |
| SP | Signal Publication |
| SP | Staging Post |
| SP | Special Posting |
| SP | Sapper |
| SP | Security Police |
| SP | Self-Propelled |
| Sp | Support |
| 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 |
| Spec | Specialist |
| SpecInc | Special Increment |
| SPENAVO | Special Naval Observer, London (U.S.) |
| SPNOCD | Senior Polish Naval Officer, Clyde District |
| SPO | Stoker Petty Officer |
| SPO(FF) | Stoker Petty Officer (Fire Fighter) |
| Spr | Sapper |
| SPSRCASC(D) | Supply Personnel Section, Royal Canadian Army Service Corps (Deffered) |
| Spts | Sportsman |
| Spvr | Supervisor |
| SQ | Sydney-Quebec convoy |
| SQ | Soldier Qualification |
| Sqd | Squadron |
| Sqdn | Squadron |
| SQFT | Secteur du Québec de la Force terrestre |
| SQ-M | Sergent Quartier-Maitre |
| SQ-MBATT | Sergent Quartier-Maitre De Batterie |
| SQ-MCIE | Sergent Quartier-Maitre De Compagnie |
| SQ-MESC | Sergent Quartier-Maitre D'Escadron |
| SQMS | Squadron Quartermaster-Sergeant |
| SQMS | Staff Quartermaster-Sergeant |
| Sqn | Squadron |
| SR | Supplementary Reserve |
| SR | Scottish Regiment |
| SR | Strength Return |
| SR | Scottish Rifles (The Cameronians) |
| SR | Special Reserve |
| Sr | Senior |
| SR&BRCA | Survey Regiment & Battery, Royal Canadian Artillery |
| SRARNAH | Surgeon Rear Admiral Royal Navy Auxiliary Hospital |
| SRBRCA | Sound Ranging Battery, Royal Canadian Artillery |
| SRC | Signals Refresher Course |
| SRD | Special Radar Detachment |
| SRD | Special Recruiting Detachment |
| SRD | Supply Reserve Depot |
| SRE | Sound Reproduction Equipment |
| SRG | Special Reinforcement Group |
| SRItoSRRCA | Sound Ranging Increment to Survey Regiment, Royal Canadian Artillery |
| SRMGD | Sherbrooke Regiment Machine Gun Depot |
| SRNO | Senior Royal Navy Officer |
| SRNO | Squadron Royal Marine Officer |
| SRO | Squadron Physical and Recreational Training Officer |
| SRRCA | Searchlight Regiment, Royal Canadian Artillery |
| SRRCA | Survey Regiment, Royal Canadian Artillery |
| SRRD | Special Repair Ratings (Dockyard) |
| SRS | Syllabus Regimental Schools |
| SRU | Signal Reinforcement Unit |
| SS | Steamship |
| SS | Special Service |
| SS | Submarine (U.S.) |
| SS | Supply Special |
| SS | Sanitary Section |
| ss | shell shock |
| 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 |
| SSA | Ship's Steward's Assistant |
| SSaskR | South Saskatchewan Regiment |
| SSB | Superintendent of Shipbuilding |
| SSB | 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 |
| SSE | Superintendent Admiralty Signal Establishment |
| SSEAP | Summer Student Employment Assistance Program |
| SSEIN | Staff Sergeant Instructor |
| SSIB | Special Services Infantry Battalion |
| SSM | Staff Sergeant-Major |
| SSM | Squadron Sergeant-Major |
| SSM&SR | Sault Ste. Marie & Sudbury Regiment |
| SSMI | Squadron Sergeant-Major Instructor |
| SSO | Special Signals Office or Squadron Signal Officer |
| SSO | Senior Staff Officer |
| SSpec | Security Specialist |
| SSR | 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 |
| SStaffsR | South Staffordshire Regiment |
| SSTech | Safety Systems Technician |
| St | Staff |
| ST | Seaman Torpedoman |
| ST | Steward |
| ST | Ship's Storeman |
| St | Standing |
| Sta | Stationary |
| StaffYeo | Staffordshire Yeomanry |
| Stat | Stationary |
| StatEng | Stationary Engineer |
| StatHosp | Stationary Hospital |
| Stats | Statistics |
| Staty | Stationary (Hospital) |
| StatyHosp | Stationary Hospital |
| STCDB | Special Tunnelling Company Detachment "B" |
| STD | Signals Training Detachment |
| STD | Steward |
| STE | Stokers' Training Establishment |
| STED | Superintendent of Torpedo Experimental Design |
| Steno | Stenographic Pool |
| STEP | Skilled Trades Entry Plan |
| Stew | Steward |
| StFXU | Saint Francis Xavier University |
| StJFus | St. John Fusiliers |
| StJSofAI | St. Jerome School of Army Instruction |
| STK | Special Tanker |
| STK | Stockbroker |
| Stn | Station |
| STO | Sea Transport Officer |
| STO | Squadron Torpedo Officer |
| Sto | Stoker |
| Sto 1c (or 2c) | Stoker, 1st Class (or 2nd Class) |
| STP | Supervision Training Personnel |
| Str | Strength |
| ST-SE | Staff Sergeant |
| STTD | Senior Technician, Technical Davison |
| STTD | Senior Technician (Naval) |
| Stwd | Steward |
| Stwd(Prob) | Steward (Probationer) |
| SU | Staging Unit |
| SU | Surgeon |
| SU | Signals Units |
| SU | Staging Units |
| SUACW | Sub-Unit Assumption College Windsor |
| SUB | Submarine |
| Sub-Allce | Subsistence Allowance |
| Sub-Lieut | Sub-Lieutenant |
| Subs | Subsequently |
| SUEP | Subsidized University Education Plans |
| SuffR | Suffolk Regiment |
| 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 Officer |
| Sup | Supply |
| Sup | Supplement |
| SUPE | Superintendent |
| SUPEG | Eastern Group Supply Council |
| Supp | 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(Rank) | Surgeon (Rank) |
| Surg(Rank)forDD | Surgeon (Rank) for Dental Duties |
| SurgGen | Surgeon General |
| Surp | Surplus |
| SurvCE | Surveyor Construction Engineering |
| SUS | Soldier Under Sentence |
| SussYeo | Sussex Yeomanry |
| SV | Supply Vessels |
| 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 | Shrapnel Wound |
| SW | Shell Wound |
| SW | Steward |
| SW/SRCOC | Sub Workshop, Royal Canadian Ordnance Corps |
| SW/TO | Staff Wireless Telegraphy Officer (Naval) |
| SWA | South West Atlantic Area |
| SWalesBord | 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 |
| SWO | Squadron Wireless Telegraphy Officer |
| SWPA | South West Pacific Area |
| SWPAKFRON | South-west Pacific Sea Frontier |
| SWRCEME | Sub Workshop, Royal Canadian Electrical and Mechanical Engineers |
| SWS | Special Wireless Station, Royal Canadian Signals |
