| Acronym | Meaning |
 | EAS | Equivalent Airspeed |
| MDC | Mission Director Center |
| EFCS | Earth Fixed Coordinate System |
| WAD | Work Authorization Document/Shop Order |
| PPO2 | Oxygen Partial Pressure |
| W | West |
| MC | Mission Completion/Continuation |
| MPTA | Main Propulsion Test Article |
| PMS | Performance Management System |
| JOP | Joint Operating Procedure |
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