Governmental Abbreviations

SI Stands For : Site Investigation | Smoke Inhalation | Special Intelligence | Special Interest | Support Installation | System Integration | United States Strategic Command Strategic Instruction | International Systems of Units (ISU preferred) | Kennedy Space Center Support Operations Directorate | Scientific Instrument | Solar Inertial | Sub Inspecter | Sub Inspector | Staten Island | SCI Corporation | International System | Sequential Injection | Side Impact | Smithsonian Institute | Special Inquiry | Supplemental Instruction | Special Intelligence.

SIS Stands For : Special Intelligence Service of FBI | Streamlined Inspection System | Special Information Systems | Special Intelligence Service | Special Intelligence System | STOW Infrastructure System | Strategic Information System | System Integration and Support | SAIL Interface System | Satellite Information System | Scanning Imaging Spectrometer | Serial Input Special | Shuttle Information System | Shuttle Interface Simulator | Simulator Interface System | Software Implementation Specification | Software Integrated Schedule | Standard Interface Specification | Superconducting-Insulating-Superconducting | Systems Integration Schedule | Social Information Systems | Secret Intelligence Service | Social Impact Statement | Social Insurance Substitute | Scientific Investigation Study.

SJ Stands For : San Juan Field Office | San Jose | San Juan | South Jetty | Swanley Junction | Sealectro.

SK Stands For : St Louis Field Office | Schnellade Kanone | Schroet Kommando | Station Keeping | StoreKeeper | Survival Kit | Singer Kearfott.

SM Stands For : Security Matter | Summary | starting material | Salvage Mechanic | Secretary | Selection Mechanism | Service Manager | Service Mode | Sixteen Millimetre | Spare part Management system | Staff Memorandum | Staff Month (20 Days) | Submariner | Surface Mount | Survey Methods | System Monitor | Science Mission | Secondary Mirror | Service Model | Service Module ( Apollo) | Short Module | Shuttle Management (KSC) | Soft Manual | Stable Member | Structural Model | Support Module | Surface Mount | Systems Management | Schmalkalden (administrative district in Thuringia | Saama | Side Mounted | Statute Mile | Surface Mount | Sado Masochistic | Simple Majority.

SMUN Stands For : Soviet Mission to the United Nations.

SODAC Stands For : Soviet Diplomatic Activities.

SOG Stands For : Seat Of Government | Sea Of Green | Sensitive Operations Group | Sergeant of the Guard | Shards Of Glory | Sons Of Gestapo | Special Operations Group | Speed Over the Ground | Special Operations Group | Speed Over Ground | Special Operations Group.

SOM Stands For : Secret Organized Mafia | Sensitivity Of Method | Satellite Communications (SATCOM) Operational Manager | Satellite Of Might | Software Operators Manual | Start of Message | System Operational Manager | Ship Operations Manager (NASA) | Spares Optimization Model | Standard Operating Manual | Self Organizing Map.

SOP Stands For : Standard Operating Procedure | Senior Officer Present | Soldiers On Parade | Standard Operating Procedures | Sunday Official Party | Science Operations Plan | Secondary Oxygen Pack | Senior Officer Present | Spacelab Opportunity Payload | Subsystem Operating Procedure | Subsystem Operating Program | Systems Operation Plan | Same Old Politics | Special Occasion Permit | Senior Officer Present | Source Of Power.

SPE Stands For : Special Police Establishment | Solid Polymer Electrolysis | Static Phase Error | Single Point of Entry | Special Police Establishment | Southern Pipeline Extension | Service Procurement Engineering.

SPECTAR Stands For : Special Target Informant Development Program.

SR Stands For : Secret Recording | Significant Risk | Sustained Release | Safety Release | Screen Region | Seaman Recruit | Security Release | Selected Response | Send Receive | Service Record | Short Range | Slime Resistance | Somewhat Recommended | Special Reconnaissance | Sporting Rifle | Start Reliability | Status Report | Stoner Rifle | Strategic Reconnaissance | Success Ratio | Summary Records | Surveillance Radar | Scan Ratio | Shift Register | Standard Repair | Statement of Requirements | Status Register | Status Report | Status Review | SunRise | Support Request | Support Room | Street Racing | San Rafael | Santa Rosa | Stalmetrics | Salt Removal | Skid Resistor | State Route | Storm Runner | Street Roadster | Sun Roof | Special Response | Standard Reference | Summary Record.

SRA Stands For : Senior Resident Agent | Strategic Rail Authority | Selected Reserve Augmentee | Selected Restricted Availability | Senior Airman | Senior Airman - USAF | Senior Airmen | Ship Radio Authorization | Ship Repair Agreement | Short Range Aid | Software Requirements Analysis | Special Repair Activity | Specialized-Repair Activity | Stock Record Account | Sub- Registration Authority | Systems Research and Applications | Software Requirements Analysis | Spin Reference Axis | Support Requirements Analysis | Ship Repair Agreement | Short Range Aid | Short Range Aids | Standard Radar Approach | State Rail Authority | Senior Resident Agent | Separate Reporting Activity | Significant Regulatory Action | Software Requirements Analysis | Special Review Assessment | Superior Rights Amendment | Security Risk Assessment.

SS Stands For : Search Slip | (Number) Sea State (Number) | Sakura Station | Scout Sniper | Selective Service | Side Story | Sideshot | Silent Service | Silent Strike | Silver Star | Single Source | Sinking Ship | Slave Select | Smoke Screen | Sniper Syndicate | Southern Soliders | Special Services | Special Shot | Special Staff | Specific Suggestion | Submarine | Subordinate System | Super Sector | Surface-to-Surface | Sustainable Site | System Specification | System Supervisor | System Support | Systems Summary | Shuttle System | Single Sideband | Single String | Space Shuttle | Space Station | Station Set | Subsystem | Sunset | System Software | System Specification | System Summary | SchutzStaffel | Street Strip | Station Superintendent | Shallcross | Semi Slick | Smart Suspension | Stick Steering | Super Sensor | Supercharged Silverado | Secret Service | Shifting Standards | Social Security | Social Services | Sole Sourcing | State Statute | Short Story.

SSA Stands For : Secret Service Agent | Selective Service Number | Sector-Specific Agencies | Social Security Administration | Software Support Activity | Soldier Store Advance | Source Selection Authority | Space Situational Awareness | Special Support Activity (NSA) | Staff Support Activity | Standard Small Arms | Strapdown Sensor Assembly | Supply Support Activity | Supply Support Area | System Specification for ATCCS (Army Tactical Command and Control System) | System Supportability Assessment | S-band (198 to 22 GHz) Single Access | Shuttle Simulation Aircraft | Solar Survival Architecture | Space Suit Assembly | Secret Service Agent | Singular System Approach | Social Security Administration | Software Support Activity | Standard Spending Assessment.

SSBI Stands For : Single Scope Background Investigation | Single Scope Background Investigation.

SSS Stands For : Special Service Staff of IRS | Scout Sniper School | Self-Stecker Selection | Senior Span Segment | Shelter Subsystem | Shoot | Singing Short Sword | Software Segment Specification | SOS for a Submarine Attack | Storage Serviceability Standard | Sub Sonic Sniper | System Segment Specification | Sound Suppression System | Space Shuttle System | Stage Separation System | Station Set Specification | Sub-System Segment | System Segment Specification | System/Subsystem Specification | Service Support Standard | Sniper Sub-Sonic | Seldom Start System | Short Straight Section | Super Sports Sedan | Selective Service System | Social Security Sequence | Social Security System | Special Scientific Study | System Segment Specification | System/Subsystem Specification | Security and Safety Service.

STAG Stands For : STudent AGitation | Strategic Tactical Analysis Group | Shuttle Turnaround Analysis Group.

Stats Stands For : Statistics.

SU Stands For : Salt Lake City Field Office | Search Unit | Special Unitary | Strategy Unit | Support Unit | Sage | Speed Up.

SUB Stands For : Subject | SUBmarine | Substitute | Sports Utility Bass.

SUBJ Stands For : Subject | Subject Sub-JIB Subordinate-Joint Information Bureau | Subject.

SUPV Stands For : Supervisor | Supervisor.

SV Stands For : Savannah Field Office | Schedule Variance | Sniper Version | Special Vehicle | Safety Valve | Saturn V Rocket | Shuttle Vehicle | Solemoid Valve | Space Vehicle | Standard Velocity | Stator Vector | Saginaw Valley | Sierra Vista | Silicon Valley | Sudden Valley | Spectrol | Safety Vehicle | Sailing Vessel | Sport Veloce | Standard Vehicle | Stroke Volume | Suzuki Vee.

SWAG Stands For : Stolen Without A Gun | Special Warfare Action Group | Stolen Without A Gun.

SWAT Stands For : Special Weapons And Tactics | Special Weapons And Tactics | Satellite | Simple Waste of Action and Time | Special Warriors Action Team | Special Work Assignment Team | Strength and Weakness Analysis of Target | Stress Wave Analysis Technique | Skilled Well Armed Team | Special Warrants Arrest Team.

SYD Stands For : Subject to Your Discretion | Subject to Your Discretion | Subject to Your Discretion.

TAC Stands For : Threat Assessment Center | Tactical | Tactical Advanced Computer | Tactical Air Command | Tactical Air Controller | Tactical Air Coordinator | Tactical Officer | Target Acquisition Console | Team Aerial Combat | Technical Advisory Committee | Terminal Attack Control | Terminal Attack Controller | Total Access Communication System | Total Aerial Combat | Total Amount of Codes | Total Area Coverage | Training Access Center | Transportation Account Code | Tactical Air Command | Telemetry and Command Computer | Terminating At Canaveral (Kennedy Space Center Landing Site | Total Airflow Control | Total Average Cost | Traffic Accident Car | Technical Activities Committee | This Aint Controls | Transport Accident Commission | Transportation Association of Canada | Treaty of Amity and Cooperation | Treaty of Amity and Cooperation.

TAD Stands For : Temporary Assigned Duty | Tactical Air Direction | Target Audience Description | Temporary Additional Duty | Temporary Additional Duty (Non-Unit-Related Personnel) | Theater Air Defense | Time And Date | Time Available For Delivery | Temperature And Dewpoint | Transit-Adjacent Development | Technology Activities Database | Temporary Additional Duty.

TCN Stands For : Third Country National | Terrestrial Communications Network | Third Country National | Tracking Control Number | Test Change Notice | Transportation Control Number | Transportation Control Number | Third Country National.

TECH Stands For : Technical | Technical | Technician.

TEPCI Stands For : Top Echelon Potential Criminal Informant.

TFIS Stands For : Theft From Interstate Shipment.

TGP Stands For : Theft of Government Property.

TIC Stands For : TICkler dopy of document | Target Information Center | Targeting Interlock Circuit | Technical Interface Certification | Technical Interface Concept | Technology Integration Center | Theater Intelligence Center | Toxic Industrial Chemical | Troops In Contact | Technical Information Center | Total Item Change | Taken Into Consideration | Traffic Information Collecting | Travel Insurance Credit | Traveler Information Center | Tourist Information Centre.

TIO Stands For : Time In Office | Target Intelligence Officer | Target Insertion Orbit.

TISA Stands For : Test | Troop Issue Subsistence Activity.

TIT Stands For : Terrorist In Training.

TOPCI Stands For : Time on Potential Criminal Informants.

TOPLEV Stands For : TOP LEVel.

TOPRI Stands For : Time on Potential Racial Informants.

TOPSI Stands For : Time on Potential Security Informants.

TS Stands For : Top Secret | Target Specific | Technical Sergeant | Terminal Service | Test Set | Top Secret | Total Strength | Training Support | Troop Strength | Turn Starboard | Technical Support (KSC Directorate) | Tensile Strength | Test Site | Test Stand | Test Station | Time Scheduled | Timing System | Traceability Serial | Traffic Sergeant | Transmitter Square | Terminal Services | Thermo Start | Tiger Stripe | Tilt Shift | Tilt Start | Tire Sales | Transit Stop | Technical Sergeant | Tentative Solution.

TSCM Stands For : Technical Surveillance Counter-Measures | Technical Surveillance Counter-Measures | Technical Surveillance Countermeasures.

TTS Stands For : Terrorist Training School | Tank Thermal Sight | Target Tracking System | Technology Transfer Setting | Torpedo Tube Setting | Track Transit System | Transit Time Spread | Transport Tycoon Superdeluxe | Tank Thermal Sight | Tank Thermal Sight.

U Stands For : Unavailable | Unclassified | units | Unclassified | Unidentified | Unit | Unknown | Unmodified | Unreliable | Unterseeboot | Uphill | Wind Speed | Underfloor | Uranium | Upper | Unlicensed | Uncompromising | Unsigned | Urgent.

UACB Stands For : Unless Advised to Contrary by the Bureau.

UCR Stands For : Uniform Crime Reports | Unsatisfactory Condition Report | Unsatisfactory Condition Report | Unclassified County Road | Usual And Customary Rates.

UFAC Stands For : Unlawful Flight to Avoid Confinement.