| Acronym | Meaning |
| OAT | Overall Test |
| GTS | General Test Support |
| CCA | Contract Change Authorization |
| BP | C&TSSCommunication And Tracking Subsystem |
| BASS | Backup Avionics System Software |
| PMP | Performance Management Package |
| COM | Common |
| VEDS | Vehicle Emergency Detection System |
| FD | Fault Detection |
| TV | Transport Vehicle |