| Acronym | Meaning |
| DARS | Data Acquisition And Reduction System |
| LHCP | Left Hand Circular Polarization |
| MPS | Main Propulsion System |
| RSMM | Redundant System Monitor Model |
| VY | Velocity Along The Y-Axis |
| TBC | Terminal Buffer Controller |
| CRIS | Calibration Recall And Information System |
| I | ECM Induced Environment Contamination Monitor |
| RFQ | Request For Quotation |
| VMF | Vertical Maintenance Facility |