| Acronym | Meaning |
| CLC | Change Letter Control |
| CV | Deployable Payloads Operation (KSC Co Dir.) |
| IV | Intravehicular |
| PWBS | Program Work Breakdown Structure |
| TSC | Test Support Coordinator |
| MPLN | Maintenance Planning (Data Base) |
| PMC | Postmanufacturing Checkout |
| TRCP | Tape Recorder Control Panel (LIO) |
| LNG | Liquefied Natural Gas |
| TM | Telemetry |