| Abbreviation | Definition |
|---|---|
| SSPTF | Santa Susana Propulsion Test Facility |
| SSPTF | Santa Susana Propulsion Test Facility (see SSFL) |
| SSPTS | Station to Shuttle Power Transfer System |
| SSPW | Space Solar Power Workshop |
| SSR | Shop Support Request |
| SSR | Simulated Solar Radiation |
| SSR | Staff Support Room |
| SSR | Station Set Requirement |
| SSR | System Requirements Review |
| SSRD | Station Set Requirements Documents |
| SSRMS | Space Station Remote Manipulator System |
| SSRN | System Software Reference Number |
| SSRR | Station Set Requirements Review |
| SSS | Sound Suppression System |
| SSS | Space Shuttle System |
| SSS | Stage Separation System |
| SSS | Station Set Specification |
| SSS | Sub-System Segment |
| SSSAA | Space Station Solar Array Assemblies |
| SSSS | Space Shuttle System Specification |