| Acronym | Meaning |
| SLRV | Shuttle Launched Research Vehicle |
| CP | ControlPoint |
| E | LSCEarth Landing Sequence Controller |
| CDP | CommandDataProcessor |
| ENC | Encode |
| FC | Fit Check |
| QAR | Quality Assurance Responsible/Witness |
| BMS | Background Measurement Satellite |
| PD | Procurement Document |
| SSS | Station Set Specification |