| Acronym | Meaning |
 | PRB | PasoRobles(TACANStation) |
| MES | Main Engine Start |
| OPIDF | Operational Planning Identification File |
| GT | Gyro Torque |
| S | Second (Astronomical Tables) |
| DIPL | Display Initial Program Load |
| OTOS | Orbit-to-Orbit Stage |
| MPAD | Mission Planning And Analysis Division (JSC) |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| CA | Corrective Action |
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