| Acronym | Meaning |
| ST | SPace Telescope |
| SCA | Schedule Change Authorization |
| SYSTRAN | Systems Analysis Translator |
| PITG | Payload Integration Task Group |
| PDM | Pulse Duration Modulation |
| LC | Intercommunications |
| VRR | Verification Readiness Review |
| DD | Decoder Driver |
| SOR | Specification Operational Requirement |
| GTS | GN&C Test Station |