| Acronym | Meaning |
| TF | Test Fixture |
| CGC | Command Guidance Computer |
| SFPS | Single Failure Point Summary |
| CWA | Controlled Work Area |
| SID | Simulator Interface Devices |
| OLIF | Orbiter Landing Instrumentation Facilities |
| PGNCS | Primary G&N And Control System (Subsystem) |
| IIS | InsPection Item Sheet |
| VCU | Video Control Unit |
| OBS | Operational Biomed Sensors |