| Acronym | Meaning |
| RTCC | Real-Time Computer Complex |
| TVCD | Thrust Vector Control Driver |
| DG | Display Generator |
| ALRUTS | Automated Line Replaceable Unit Tracking System |
| VER | Verify |
| SID | Standard Interface Document |
| GSSC | Ground Support Simulation Computer |
| PRM | Payload Retention Mechanism |
| EVS | Equipment VisibilitY System |
| INTCHG | Interchange |