| Abbreviation | Definition |
|---|---|
| SRN | Software Release Notice |
| SRO | Supervisor Range Operations |
| SRPA | Spherical Retarding Potential Analyzer |
| SRR | Shuttle Requirements Review |
| SRR | Site Readiness Review |
| SRS | Simulated Remote Station |
| SRS | Sound Retrieval System |
| SRS | Specification Revision Sheet |
| SRS | Support Requirements System |
| SRSF | SRB Receiving and Subassembly Facility |
| SRSF | SRB Refurbishment and Subassembly Facility |
| SRSR | Schedule and Resources Status Report |
| SRSS | Shuttle Range Safety System |
| SRT | Shuttle Requirements Traceability |
| SRT | Small Radio Telescope |
| SRT | Special Rated Thrust |
| SRT | Specification Requirements Table |
| SRT | Station Readiness Test |
| SRT | Supporting Research and Technology |
| SRU | Shop Replacement Unit |