| Acronym | Meaning |
| BAC | Booster Assembly Contractor |
| PBM | Program Business Management |
| OPI | Orbiter Payload Interrogator |
| SST | Subsystem Terminal On Spacelab |
| DDU | Display Driver Unit |
| RCSC | Reaction Control Subsystem Controller |
| GMT | Greenwich Mean Time |
| SSM | BSpace Shuttle Maintenance Baseline |
| P | Roll Rate (Angular Rate) |
| SPS | Shuttle Procedures Simulator |