| Acronym | Meaning |
| FHP | Fuel High Pressure |
| DM | Document |
| DACBU | Data Acquisition And Control Buffer Unit |
| TRS | Time Reference System |
| CEI | Contract End Item |
| MOCF | Mission Operations Computational Facilities |
| RSD | Requirements And Specifications Document |
| PL | Postlanding (P/L Preferred) |
| CEA | Control Electronics Assembly (for MMU) |
| ROC | Record Of Comments |