| Acronym | Meaning |
| IOA | Input/Output Adapter |
| TAA | Temporary Access Authorization |
| NCIU | Network Common Interface Unit |
| CES | Control Electronics System |
| IMP | Initial Memory Protection |
| OMD | Operations And Maintenance Documentation |
| NWS | Nose Wheel Steering |
| MIT | Massachusetts Institut@ Of Technology (CSDL) |
| TTA | Time To Apogee |
| LHCP | Left Hand Circular Polarization |