| Acronym | Meaning |
 | GDSD | Ground Data SYstems Division |
| PDC | Predefined Command |
| OMPR | Operational Maintainability Problem Reporting |
| RA | Range Area |
| LG | Landing Gear |
| DRS | Data Relay Satellite |
| OPRV | Oxygen Pressure Relief Valve |
| TGOWG | Teleoperator Ground Operations Working Group |
| MD | Manual Disconnect |
| MRR | Mission Reconfiguration Request |
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