| Acronym | Meaning |
| STAG | Shuttle Turnaround AnalYsis Group |
| IAS | Impact Assessment Sheet |
| MSBLS | Microwave Scanning Beam Land Station |
| SDS | Software Design Specification |
| NVAFB | North Vandenberg Air Force Base |
| GA&CS | Ground Acquisition And Command Station |
| MTTFF | Mean Time To First Failure |
| UTS | Urine Transfer System |
| PBIC | Programmable Buffer Interface Card |
| OLOW | Orbiter Lift-off Weight |