| Acronym | Meaning |
| UBE | Universal Bus Exercisor |
| PA | Public Address |
| NAR | Numerical Analysis Research |
| CV | Expendable Vehicles Operations (KSC Directorate) |
| TCTI | Time Compliance Technical Instruction |
| OP | Oxygen Purge |
| MEC | Mission Events Controller |
| BFCS | Backup Flight Control System |
| OBS | Observe |
| CSRP | Computers And Software Review Panel |