| Acronym | Meaning |
| VR | Voltage Relay |
| MM | Mission Manager |
| H | AlH AlHazardous (Task Classification) |
| OS | On-Orbit Station |
| OF | Operational Instrumentation MDM-FWD |
| ILS | IntegratedLogistics Support |
| DDAS | Digital Data Acquisition System |
| LR | Left Rudder |
| OPGUID | OPtimum Guidance (Technique) |
| NPSH | Net Positive Suction Head |