| Abbreviation | Definition |
|---|---|
| SSCHS | Space Shuttle Cargo Handling System |
| SSCL | Shuttle System Commonality List |
| SSCP | Small Self-Contained Payloads |
| SSCSP | Space Shuttle Crew Safety Panel |
| SSCWEB | Satellite Situation Center Web |
| SSD | Spacecraft Software Division |
| SSD | System Summary Display |
| SSDD | Software System Design Document |
| SSDD | Space Systems Development Department |
| SSDH | Subsystem Data Handbook |
| SSDS | Space Science Data System |
| SSDS | Space Station Data System |
| SSDW | Space Station Design Workshop |
| SSE | Small Science Experiment |
| SSE | Solar System Earth |
| SSE | Space Shuttle Engines |
| SSE | Subsystem Element |
| SSE | Subsystem Support Equipment |
| SSE | Surface Solar Energy |
| SSEOS | Space Shuttle Engineering and Operations Support |