| Acronym | Meaning |
| BOS | Backup Operating System |
| HZ | Hertz (Cycles Per Second) |
| OFTDS | Orbital Flight Test Data System |
| TVCD | Thrust Vector Control Driver |
| CT | Crawler Transporter |
| FTP | Full Throttle Position |
| PMOM | Performance Management Operations Manual |
| LUCS | Instrumentation Update Command SYstem |
| CTS | Ci'mPuter Test Set |
| FDIR | Fault Detection Identification/Isolation And |