| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SLAENG | Space-Based Laser Engagement | In English | → Astronautics |
| SLAMAP | Space Laser Mission Analysis Program | In English | → Astronautics |
| SLAR | Side-Looking Airborne Radar | In English | → Aeronautics, aircraft |
| SLAT | Supersonic Low-Altitude Target | In English | → Military engineering → Aeronautics, aircraft |
| SLC | Space Launch Complex | In English | → Astronautics |
| SLCA | Spacelab Contract Administration | In English | → Astronautics |
| SLCM | Spacelab Configuration Management | In English | → Astronautics |
| SLCSAT | Submarine Laser Communications Satellite | In English | → Astronautics |
| SLED | Space Laser Experiment Definition | In English | → Astronautics |
| SLEMU | Spacelab Engineering Model Unit | In English | → Astronautics |
| SLF | Shuttle Landing Facility | In English | → Astronautics |
| SLM | Space Laboratory Module | In English | → Research institutes → Astronautics |
| SLODB | Spacelab Operational Data Book | In English | → Astronautics |
| SLPB | Spacelab Program Board | In English | → Astronautics |
| SLS | Secondary Landing Site | In English | → Aeronautics, aircraft → Astronautics |
| SLS | Spacelab Simulator | In English | → Astronautics |
| SLSA | Shuttle Logistics Support Aircraft | In English | → Maintenance and logistics → Aeronautics, aircraft → Astronautics |
| SLSMS | Spacelab Support Module Simulator | In English | → Astronautics |
| SLSS | Spacelab Subsystem | In English | → Astronautics |
| SLUK | Spacelab Utility Kit | In English | → Astronautics |
| SLV | Space Launch Vehicle | In English | → Astronautics |
| SM | Shuttle Management | In English | → Astronautics |
| SMATH | Satellite Materials And Target Hardening | In English | → Astronautics |
| SMB | Space Meteorology Branch | In English | → Meteorology, climatology → Astronautics |
| SMCC | Shuttle Mission Control Center | In English | → Astronautics |
| SMD | Spacelab Mission Development | In English | → Astronautics |
| SMES | Shuttle Mission Engineering Simulator | In English | → Astronautics |
| SMES | Shuttle Mission Evaluation Simulation | In English | → Astronautics |
| SMG | Space Flight Meteorology Group | In English | → Meteorology, climatology → Astronautics |
| SMIRR | Shuttle Multispectral Infrared Radiometer | In English | → Astronautics |
| SML | Spacecraft Markup Language | In English | → Programming languages → Astronautics |
| SMPTRB | Shuttle Main Propulsion Test Requirement Board | In English | → Organizations and associations → Astronautics |
| SMS | Shuttle Mission Simulator | In English | → Astronautics |
| SMS | Solar Maximum Satellite | In English | → Astronautics |
| SMS | Synchronous Meteorological Satellite | In English | → Meteorology, climatology → Astronautics |
| SMSCC | Shuttle Mission Simulator Computer Complex | In English | → Computer hardware → Astronautics |
| SMSG | Shuttle Maintenance Steering Group | In English | → Organizations and associations → Maintenance and logistics → Astronautics |
| SMTAS | Shuttle Modal Test and Analysis System | In English | → Astronautics |
| SMTF | Shuttle MIssion Trainer Facility | In English | → Astronautics |
| SMVP | Shuttle Master Verification Plan | In English | → Quality management → Astronautics |
| SMVRD | Shuttle Master Verification Requirements Document | In English | → Quality management → Astronautics |
| SN | Space Network | In English | → Astronomy → Astronautics |
| SNAP | Space Nuclear Auxiliary Power | In English | → Nuclear technology → Astronautics |
| SNECMA | Société Nationale d'Études et de Construction de Moteurs d'Avions | In French | → Aeronautics, aircraft |
| SNIAS | Société Nationale Industrielle Aéronautique et Spatiale | In French | → Aeronautics, aircraft → Astronautics |
| SNPO | Space Nuclear Propulsion Office | In English | → Nuclear technology → Astronautics |
| SNS | Shuttle Network System | In English | → Astronautics |
| SNSO | Space Nuclear Systems Office | In English | → Nuclear technology → Astronautics |
| SO | Shuttle Operations | In English | → Astronautics |
| SO/SI | Space Operations and Scientific Investigation | In English | → Astronomy → Astronautics |
| SOAR | Shuttle Orbital Applications and Requirements | In English | → Astronautics |
| SOARS | Shuttle Operation Automated Reporting System | In English | → Knowledge management → Astronautics |
| SOC | Shuttle Operations Center | In English | → Astronautics |
| SOC | Space Operations Center | In English | → Astronautics |
| SOCAR | Shuttle Operational Capability Assessment Report | In English | → Quality management → Astronautics |
| SOCC | Satellite Operations Control Center | In English | → Astronautics |
| SOCC | Shuttle Operations Computing Center | In English | → Computer science → Astronautics |
| SOCH | Spacelab Orbiter Common Hardware | In English | → Computer hardware → Astronautics |
| SODB | Shuttle Operational Data Book | In English | → Astronautics |
| SODS | Shuttle Operational Data Submittal | In English | → Data → Astronautics |
| SODS | Shuttle Operational Data System | In English | → Data → Astronautics |
| SODS | Skylab Orbit-Deorbit System | In English | → Astronautics |
| SOF | Safety Of Flight | In English | → Accidents, risks, safety → Aeronautics, aircraft → Astronautics |
| SOFC | Solid Oxyd Fuel Cell | In English | → Astronautics |
| SOFT | Space Operations and Flight Technique | In English | → Aeronautics, aircraft → Astronautics |
| SOFT | Suborbit Flight Test | In English | → Aeronautics, aircraft → Astronautics |
| SOI | Space Object Identification | In English | → Astronautics |
| SOIS | Spacelab/Orbiter Interface Simulator | In English | → Human-computer interaction → Astronautics |
| SOM | Suborbital Mission | In English | → Astronautics |
| SOMS | Shuttle Orbiter Medical System | In English | → Medicine → Astronautics |
| SOP | Spacecraft Operations Plan | In English | → Astronautics |
| SOP | Spacelab Opportunity Payload | In English | → Astronautics |
| SOPC | Shuttle Operations and Planning Center | In English | → Astronautics |
| SOPEMEA | Société pour le Perfectionnement des Matériels et Équipements Aérospatiaux | In French | → Aeronautics, aircraft → Astronautics → France |
| SOR | Stable Orbit Rendezvous | In English | → Astronautics |
| SOS | Synchronous-Orbit Satellite | In English | → Astronautics |
| SOSI | Space Operations Scientific Investigation | In English | → Astronautics |
| SOSMAN | Space Operations System Manifesting Program | In English | → Astronautics |
| SOSRM | Strap-On Solid Rocket Motor | In English | → Astronautics |
| SOT | Solar Optical Telescope | In English | → Astronomy → Astronautics |
| SOTS | Suborbital Tank Separation | In English | → Astronautics |
| SP | Surveillance Payload | In English | → Astronautics |
| SP | Solid Propellant | In English | → Astronautics |
| SP | Sortie Payload | In English | → Astronautics |
| SPA | Small-Payload Accommodations | In English | → Astronautics |
| SPA | Space Processing Application | In English | → Astronautics |
| SPACE | Spacecraft Prelaunch Automatic Checkout Equipment | In English | → Astronautics |
| SPAD | Shuttle Payload Accommodation Document | In English | → Astronautics |
| SPADATS | Space Defense Acquisition and Tracking System | In English | → Military engineering → Astronautics |
| SPADCCS | Space Defense Command and Control System | In English | → Military engineering → Astronautics |
| SPADE | Space Acquisition Defense Experiment | In English | → Military engineering → Astronautics |
| SPADOC | Space Defense Operations Center | In English | → Military engineering → Astronautics |
| SPADS | Shuttle Problem Analysis Data System | In English | → Astronautics |
| SPAH | Spacelab Payload Accommodations Handbook | In English | → Astronautics |
| SPAN | Spacecraft Analysis | In English | → Astronautics |
| SPAR | Shuttle Pointed Autonomous Research | In English | → Astronautics |
| SPARS | Space Precision Attitude Reference System | In English | → Astronautics |
| SPART | Space Research And Technology | In English | → Astronomy → Astronautics |
| SPARTAN | Shuttle Pointed Autonomous Research Tool for Astronomy | In English | → Astronomy → Astronautics |
| SPAS | Space Pallet Satellite | In English | → Astronautics |
| SPAS | Shuttle Pallet Applications System | In English | → Astronautics |
| SPAS | Shuttle Pallet Satellite | In English | → Astronautics |
| SPAT | Satellite Performance Analysis Team | In English | → Astronautics |
| SPAT | Small-Payload Accommodation Terminal | In English | → Astronautics |
| SPC | Shuttle Processing Contract(or) | In English | → Astronautics |
| SPDS | Stabilized Payload Deployment System | In English | → Astronautics |
| SPF | Spacelab Processing Facility | In English | → Astronautics |
| SpFl | Spaceflight | In English | → Serial publications, periodicals → Astronautics |
| SPGAI | Surface Position Gimbal Angle Indicator | In English | → Astronautics |
| SPICE | Shuttle Payload Integration Cargo Evaluation | In English | → Astronautics |
| SPICE | Spacelab Payload Integration and Coordination in Europe | In English | → Astronautics |
| SPICE | Survey Probe Infrared Celestial Experiment | In English | → Astronomy → Astronautics |
| SPICE | Survey Program of Infrared Celestial Experiments | In English | → Astronomy → Astronautics |
| SPIDPO | Shuttle Payload Integration and Development Program Office | In English | → Astronautics |
| SPIDS | Stabilized Payload Interface Deployment System | In English | → Astronautics |
| SPIF | Shuttle Payload Integration Facility | In English | → Astronautics |
| SPIF | Shuttle Processing Interface Facility | In English | → Astronautics |
| SPIF | Standard Payload Interface | In English | → Astronautics |
| SPII | Shuttle Program Implementation Instruction | In English | → Astronautics |
| SPIMS | Shuttle Program Information Management System | In English | → Knowledge management → Astronautics |
| SPIRE | Spectral Infrared Rocket Experiment | In English | → Astronomy → Astronautics |
| SPIRIT | Spatial Infrared Telescope | In English | → Astronomy → Astronautics |
| SPL | Secondary Payload | In English | → Astronautics |
| SpMar | Space Markets | In English | → Serial publications, periodicals → Astronomy → Astronautics |
| SpMME | Space Medicine Medical Engineering | In English | → Serial publications, periodicals → Medicine → Astronautics |
| SPN | Shuttle Project Notice | In English | → Astronautics |
| SPO | Shuttle Program Office | In English | → Astronautics |
| SPO | Spacecraft Program Office | In English | → Astronautics |
| SPOC | Shuttle Payload Operations Contract | In English | → Astronautics |
| SPOC | Shuttle Portable On-Board Computer | In English | → Computer hardware → Astronautics |
| SPORTS | Simplified Payload/Orbiter Thermal Simulator | In English | → Astronautics |
| SPOT | Système Probatoire d'Observation de la Terre | In French | → Earth sciences → Astronautics → France |
| SPOT | Système Probatoire pour l'Observation de la Terre | In French | → Meteorology, climatology → Astronautics |
| SPOT | Space Station Proximity Operations Trainer | In English | → Astronautics |
| SPP | SImulation Planning Panel | In English | → Aeronautics, aircraft → Astronautics |
| SPP | Solar Physics Payload | In English | → Astronautics → Astronomy |
| SPPIL | Shuttle Preferred Pyrotechnic Items List | In English | → Astronautics |
| SpPol | Space Policy | In English | → Serial publications, periodicals → Astronomy → Astronautics |
| SpPow | Space Power | In English | → Serial publications, periodicals → Energy economics → Astronautics |
| SPRAG | STS Payload Requirements and Analysis Group | In English | → Organizations and associations → Astronautics |
| SpRBu | Space Research Bulgaria | In English | → Serial publications, periodicals → Astronomy → Astronautics |
| SPRMD | Space Power Resources and Manufacturing Development | In English | → Serial publications, periodicals → Energy economics → Astronautics |
| SPS | Satellite Power System | In English | → Energy economics → Astronautics |
| SPS | Shuttle Procedures Simulator | In English | → Astronautics |
| SPS | Shuttle Processing Site | In English | → Astronautics |
| SPSL | Space Parts Selection List | In English | → Maintenance and logistics → Astronautics |
| SPT | Stationnary Plasma Thruster | In English | → Electrical engineering → Astronautics |
| SPVPF | Shuttle Payload VeErtical Processing Facility | In English | → Astronautics |
| Spvw | Spaceview | In English | → Serial publications, periodicals → Astronomy → Astronautics |
| SQIDS | Satellite Quick-Look Interactive Display System | In English | → Human-computer interaction → Astronautics |
| SRAD | Shuttle Radar Assembly Demonstration | In English | → Astronautics |
| SRAD | Space Radiator Assembly Demonstration | In English | → Astronautics |
| SRAG | Space Radiation Analysis Group | In English | → Astronomy → Astronautics |
| SRB | Solid Rocket Booster | In English | → Astronautics |
| SRBAB | SRB Assembly Building | In English | → Astronautics |
| SRBARF | SRB Assembly And Refurbishment Facility | In English | → Astronautics |
| SRBDF | SRB Disassembly Facility | In English | → Astronautics |
| SRC | Sample Return Canister | In English | → Astronautics |
| SRD | Shuttle Requirements Definition | In English | → Astronautics |
| SRD | Shuttle Requirements Document | In English | → Astronautics |
| SRD | Spacecraft Research Division | In English | → Astronautics |
| SRF | Shuttle Refurbishment Facility | In English | → Astronautics |
| SRL | Space Radar Laboratory | In English | → Research institutes → Astronomy → Astronautics |
| SRM | Solid Rocket Motor | In English | → Astronautics |
| SRMS | Shuttle Remote Manipulator System | In English | → Astronautics |
| SRR | Shuttle Requirements Review | In English | → Astronautics |
| SRSS | Shuttle Range Safety System | In English | → Accidents, risks, safety → Astronautics |
| SRT | Shuttle Requirements Traceability | In English | → Quality management → Astronautics |
| SRU | Space Replaceable Unit | In English | → Astronautics |
| SS | Space Station | In English | → Astronautics |
| SS | Space Segment | In English | → Astronautics |
| SS | Shuttle System | In English | → Astronautics |
| SS | Space Shuttle | In English | → Astronautics |
| SS&A | Space Systems and Applications | In English | → Astronautics |
| SSA | Shuttle Simulation Aircraft | In English | → Aeronautics, aircraft → Astronautics |
| SSA | Space Suit Assembly | In English | → Astronautics |
| SSAIAF | Space Systems Automated Integration and Assembly Facility | In English | → Astronautics |
| SSAT | Space Shuttle Access Tower | In English | → Astronautics |
| SSBR | Space-Based Radar | In English | → Telecommunications → Astronautics |
| SSBUV | Shuttle Solar Backscatter Ultraviolet (experiment) | In English | → Astronomy → Astronautics |
| SSBUV | Shuttle Solar Backscatter Ultraviolet | In English | → Astronautics |
| SSC | Shuttle System Contractor | In English | → Astronautics |
| SSCB | Space Station Control Board | In English | → Astronautics |
| SSCC | Space Station Control Center | In English | → Astronautics |
| SSCF | Space Station Control Facility | In English | → Astronautics |
| SSCHS | Space Shuttle Cargo Handling System | In English | → Astronautics |
| SSCL | Shuttle System Commonality List | In English | → Astronautics |
| SSCM | Space Station Cost Model | In English | → Prices → Astronautics |
| SSCP | Small Self-Contained Payload | In English | → Astronautics |
| SSCSP | Space Shuttle Crew Safety Panel | In English | → Accidents, risks, safety → Astronautics |
| SSD | Space Systems Division | In English | → Astronautics |
| SSD | Spacecraft Software Division | In English | → Software → Astronautics |
| SSD | Satellite Services Division | In English | → Astronautics |
| SSDAC | Space Station Data Acquisition and Control | In English | → Data → Astronautics |
| SSDF | Space Science Development Facility | In English | → Astronomy → Astronautics |
| SSDS | Space Station Data System | In English | → Data → Astronautics |
| SSDSAS | Space Station Data System Architecture Study | In English | → Computer hardware → Data → Astronautics |
| SSE | Space Shuttle Engine | In English | → Astronautics |
| SSE | Space Support Equipment | In English | → Astronautics |
| SSE | Spacecraft Simulation Equipment | In English | → Astronautics |