Space transport engineering, spaceflight engineering, astronautics, astronautical engineering, cosmonautics, rocketry, spacecraft, rockets and missiles.
| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| Spvw | Spaceview | In English | → Serial publications, periodicals → Astronomy  | 
| SQIDS | Satellite Quick-Look Interactive Display System | In English | → Human-computer interaction | 
| SRAD | Shuttle Radar Assembly Demonstration | In English | |
| SRAD | Space Radiator Assembly Demonstration | In English | |
| SRAG | Space Radiation Analysis Group | In English | → Astronomy | 
| SRB | Solid Rocket Booster | In English | |
| SRBAB | SRB Assembly Building | In English | |
| SRBARF | SRB Assembly And Refurbishment Facility | In English | |
| SRBDF | SRB Disassembly Facility | In English | |
| SRC | Sample Return Canister | In English | |
| SRD | Shuttle Requirements Definition | In English | |
| SRD | Shuttle Requirements Document | In English | |
| SRD | Spacecraft Research Division | In English | |
| SRF | Shuttle Refurbishment Facility | In English | |
| SRL | Space Radar Laboratory | In English | → Research institutes → Astronomy  | 
| SRM | Solid Rocket Motor | In English | |
| SRMS | Shuttle Remote Manipulator System | In English | |
| SRR | Shuttle Requirements Review | In English | |
| SRSS | Shuttle Range Safety System | In English | → Accidents, risks, safety | 
| SRT | Shuttle Requirements Traceability | In English | → Quality management | 
| SRU | Space Replaceable Unit | In English | |
| SS | Space Station | In English | |
| SS | Space Segment | In English | |
| SS | Shuttle System | In English | |
| SS | Space Shuttle | In English | |
| SS&A | Space Systems and Applications | In English | |
| SSA | Shuttle Simulation Aircraft | In English | → Aeronautics, aircraft | 
| SSA | Space Suit Assembly | In English | |
| SSAIAF | Space Systems Automated Integration and Assembly Facility | In English | |
| SSAT | Space Shuttle Access Tower | In English | |
| SSBR | Space-Based Radar | In English | → Telecommunications | 
| SSBUV | Shuttle Solar Backscatter Ultraviolet (experiment) | In English | → Astronomy | 
| SSBUV | Shuttle Solar Backscatter Ultraviolet | In English | |
| SSC | Shuttle System Contractor | In English | |
| SSCB | Space Station Control Board | In English | |
| SSCC | Space Station Control Center | In English | |
| SSCF | Space Station Control Facility | In English | |
| SSCHS | Space Shuttle Cargo Handling System | In English | |
| SSCL | Shuttle System Commonality List | In English | |
| SSCM | Space Station Cost Model | In English | → Prices | 
| SSCP | Small Self-Contained Payload | In English | |
| SSCSP | Space Shuttle Crew Safety Panel | In English | → Accidents, risks, safety | 
| SSD | Space Systems Division | In English | |
| SSD | Spacecraft Software Division | In English | → Software | 
| SSD | Satellite Services Division | In English | |
| SSDAC | Space Station Data Acquisition and Control | In English | → Data | 
| SSDF | Space Science Development Facility | In English | → Astronomy | 
| SSDS | Space Station Data System | In English | → Data | 
| SSDSAS | Space Station Data System Architecture Study | In English | → Computer hardware → Data  | 
| SSE | Space Shuttle Engine | In English | |
| SSE | Space Support Equipment | In English | |
| SSE | Spacecraft Simulation Equipment | In English | |
| SSEOS | Space Shuttle Engineering and Operations Support | In English | |
| SSEOS | Space Station External Operations Simulator | In English | |
| SSETI | Student Space Exploration and Technology Initiative | In English | → Specialized or polytechnical colleges → Higher education, universities  | 
| SSF | Space Station Freedom | In English | |
| SSFCS | Space Shuttle Flight Control System | In English | |
| SSFGSS | Space Shuttle Flight and Ground System Specification | In English | |
| SSFL | Santa Susana Field Laboratory | In English | → Research institutes | 
| SSFN | Space Station Flight Network | In English | |
| SSFP | Space Station Freedom Program | In English | |
| SSFS | Space Shuttle Functional Simulation | In English | |
| SSGDAC | Space Station Guidance, Dynamics, And Control | In English | |
| SSHA | Shuttle System Hazard Analysis | In English | |
| SSI | Space Segment Integration | In English | |
| SSIBD | Shuttle System Interface Block Diagram | In English | → Human-computer interaction | 
| SSIP | Shuttle Student Involvement Project | In English | → Specialized or polytechnical colleges → Higher education, universities  | 
| SSIS | Space Station Information System | In English | → Knowledge management | 
| SSITP | Shuttle System Integrated Test Plan | In English | |
| SSLV | Standard Small Launch Vehicle | In English | |
| SSM | Satellite Survivability Model | In English | |
| SSM | Spacecraft System Monitor | In English | → Human-computer interaction | 
| SSM/I | Special Sensor Microwave/Imager (www.ssmi.com) | In English | → Earth sciences | 
| SSMB | Space Shuttle Maintenance Baseline | In English | → Maintenance and logistics | 
| SSMC | Space Shuttle MIssion Control | In English | |
| SSME | Space Shuttle Main Engine | In English | |
| SSMEC | Space Shuttle Main Engine Controller | In English | |
| SSMECA | Space Shuttle Main Engine Controller Assembly | In English | |
| SSMTF | Space Station Man-Systems Training Facility | In English | → Education | 
| SSMTF | Space Station Mockup and Trainer Facility | In English | |
| SSO | Space Shuttle Orbiter | In English | |
| SSODB | Space Station Operational Data Book | In English | |
| SSOP | Space Systems Operating Procedure | In English | |
| SSP | Small Sortie Payload | In English | |
| SSP | Space Shuttle Program | In English | |
| SSP | Space Station Program | In English | |
| SSP | Subsolar Point | In English | → Astronomy | 
| SSPC | Spacelab Stored Program Command | In English | |
| SSPD | Shuttle System Payload Data | In English | |
| SSPD | Shuttle System Payload Definition | In English | |
| SSPD | Shuttle System Payload Description | In English | |
| SSPDA | Space Shuttle Payload Data Activity | In English | |
| SSPDS | Space Shuttle Payload Data Study | In English | |
| SSPE | Space Station Program Element | In English | |
| SSPF | Sortie Software Production Facility | In English | |
| SSPF | Space Shuttle Programming Facility | In English | → Software | 
| SSPF | Space Station Processing Facility | In English | |
| SSPFA | Space Shuttle Program Flight Assignment | In English | |
| SSPGSE | Space Shuttle Program Ground Support Equipment | In English | |
| SSPII | Space Shuttle Program Implementing Instruction | In English | |
| SSPM | Space Shuttle Program Manager | In English | → Management | 
| SSPO | Space Shuttle Program Office | In English | |
| SSPO | Space Station Projects Office | In English | |
| SSPP | Space Station Program Participant | In English | |
| SSPPSG | Space Shuttle PAyload Planning Steering Group | In English | → Management | 
| SSPRO | Space Shuttle Program Resident Office | In English | |
| SSPS | Solar Satellite Power Station | In English | → Energy economics | 
| SSPS | Space Shuttle Program Schedule | In English | |
| SSRIMp | Space Station Resource Impact Model | In English | |
| SSRMS | Space Station Remote Manipulator System | In English | |
| SSROP | Space Station Resource Optimization Program | In English | |
| SSS | Space Shuttle Segment | In English | |
| SSS | Spacecraft Software System | In English | → Software | 
| SSS | Spinning Sun Sensor | In English | → Astronomy | 
| SSSC | Space Station Support Center | In English | |
| SSSS | Space Shuttle System Specification | In English | |
| SSSSR | Space Shuttle System Safety Review | In English | → Accidents, risks, safety | 
| SSST | Space Station System Trainer | In English | |
| SST | Shuttle System Test | In English | |
| SST | Space Surveillance and Tracking | In English | → Astronomy | 
| SST | Spacecraft Systems Test | In English | |
| SSTC | Space Shuttle Test Conductor | In English | |
| SSTCLS | Space Shuttle Test, Checkout, and Launch Support | In English | |
| SSTF | Space Station Training Facility | In English | → Education | 
| SSTO | Single Stage To Orbit | In English | |
| SSTS | Satellite Surveillance and Tracking System | In English | |
| SSTS | Space Surveillance and Tracking System | In English | |
| SSTS | Space-Based Surveillance and Tracking System | In English | |
| SSUS | Spinning Solid Upper Stage | In English | |
| SSUSA | SSUS for Atlas-centaur-class spacecraft | In English | |
| SSUSD | SSUS for Delta-class spacecraft | In English | |
| SSUSP | Spinning Solid Upper Stage Project | In English | |
| SSV | Space Shuttle Vehicle | In English | |
| SSV | Space Sortie Vehicle | In English | |
| SSWG | Shuttle Security Working Group | In English | |
| SSWP | Space Station Work Package | In English | |
| ST | Star Tracker | In English | → Astronomy | 
| ST | Space Telescope | In English | → Astronomy | 
| ST | Spacelab Technology | In English | |
| STA | Shuttle Training Aircraft | In English | → Education → Aeronautics, aircraft  | 
| STACC | Standard Telemetry And Communications Component | In English | → Astronomy → Telecommunications  | 
| STADAN | Satellite Tracking And Data Acquisition Network | In English | → Data | 
| STADAN | Space Tracking And Data Acquisition Network | In English | → Data | 
| STAG | Shuttle Turnaround Analysis Group | In English | |
| STAR | Shuttle Turnaround Analysis Report | In English | |
| STAR | Space Transportation Automated Reconfiguration | In English | |
| STARS | Space Transportation Automated Reconfiguration System | In English | |
| STAS | Space Transportation Architecture Study | In English | |
| STATS | Star Tracker Alignment Test Set | In English | → Astronomy | 
| STBE | Space Transportation Booster Engine | In English | |
| STC | Satellite Test Center | In English | |
| STC | Satellite TRacking Center | In English | |
| STC | Shuttle Test Conductor | In English | |
| STC | Space Technology Center | In English | |
| STC | Spacecraft Test Conductor | In English | |
| STD | Shuttle Test Detector | In English | |
| STD | Spacecraft Technology Division | In English | |
| STDN | Spacecraft Tracking and Data Network | In English | → Data → Networks, communication  | 
| STEP | Space Test Experiments Platform | In English | |
| STF | Satellite Test Facility | In English | |
| STG | Shuttle Test Group | In English | |
| STG | Space Task Group | In English | |
| STIC | Space Test Integration Contract | In English | |
| STICA | Space Technology Industrial and Commercial Applications | In English | → Serial publications, periodicals → Astronomy  | 
| STL | Space Technology Laboratories | In English | → Research institutes | 
| STME | Space Transportation Main Engine | In English | |
| STOL | Short Takeoff and Landing | In English | → Aeronautics, aircraft | 
| STP | Satellite Test Program | In English | |
| STP | Shuttle Technology Panel | In English | |
| STP | Space Technology Payload | In English | |
| STP | Space Test Program | In English | |
| STS | Space Transportation System | In English | |
| STS | Shuttle Test Station | In English | |
| STSAM | Space Transportation System Analysis Model | In English | |
| STSOC | Space Transportation System Operations Contract | In English | |
| STSOPO | Space Transportation System Operations Program Office | In English | |
| STSYM | Space Transportation System Model | In English | |
| SUMC | Space Ultrareliable Modular Computer | In English | → Computer hardware | 
| SUMS | Shuttle Upper Atmosphere Mass Spectrometer | In English | → Astronomy → Analytical chemistry  | 
| SURE | Shuttle Users' Review and Evaluation | In English | |
| SURTEX | Shuttle-Released Target Experiment | In English | |
| SURTEX | Shuttle-Released Technology Experiment | In English | |
| SV | Shuttle Vehicle | In English | |
| SV | Space Vehicle | In English | |
| SVA&C | Shuttle Vehicle Assembly and Checkout | In English | |
| SVAB | Shuttle Vehicle Assembly Building | In English | |
| SVAC | Shuttle Vehicle Assembly and Checkout | In English | |
| SVB | Shuttle Vehicle Booster | In English | |
| SVB | Space Vehicle Booster | In English | |
| SVC | Spacecraft Vehicle Contractor | In English | |
| SVCDS | Space Vehicle Computer Design System | In English | → Computer hardware | 
| SVCDS | Space Vehicle Control/Display Simulation | In English | → Human-computer interaction | 
| SVCMU | Space Vehicle Control and Monitor Unit | In English | → 0054 | 
| SVDS | Space Vehicle Dynamics Simulation | In English | |
| SVDT | Space Vehicle Development Team | In English | |
| SVE | Space Vehicle Equipment | In English | |
| SVIU | Space Vehicle Interface Unit | In English | |
| SVO | Space Vehicle Operations | In English | |
| SVOD | Space Vehicle Operations Director | In English | |
| SVR | Space Vehicle Requirement | In English |