| Acronym | Meaning |
| FDO | Flight Dynamics Officer |
| NCIU | Network Common Interface Unit |
| RTCC | Real-Time Computer Complex |
| VGY | Velocity To Be Gained (Body Y-Axis) |
| CSP | ComputerSupportProgram |
| LS | Landing Side |
| SCL | Secondary Coolant Line |
| OPI | Orbiter Payload Interrogator |
| SCS | Spacecraft Control System |
| IC/ES | Intercommunication/Emergency Station |