| Abbreviation | Definition |
|---|---|
| SMOC | Student Missions Operation Center |
| SMOCC | SOHO Mission Operations Control Center |
| S-MOWG | Super Management Operations Working Group |
| SMP | Software Management Plan |
| SMP | Symmetric Multi-Processing |
| SMP | Systems Management Policy |
| SMPM | Structural Materials Property Manual |
| SMPTRB | Shuttle Main Propulsion Test Requirement Board |
| SMQ | Structure Module Qualification Test |
| SMR | Source, Maintenance, and Recoverability (Code) |
| SMRD | Spin Motor Rotational Detector |
| SMRD | Spin Motor Run Discrete |
| SMRM | Solar Maximum Repair Mission |
| SMS | Separation Mechanism Subsystem |
| SMS | Shuttle Mission Simulator |
| SMS | Solar Maximum Satellite |
| SMS | Space Motion Sickness |
| SMS | Special Measuring Service |
| SMS | Synchronous Meteorological Satellite |
| SMS | Systems Management Server |