| Acronym | Meaning |
 | OT | Overti Me |
| DPP | Data Processing And Software |
| SRDH | Subsystems Requirement Definition Handbook |
| SSR | Shop Support Request |
| ERR | CNTR Error Counter |
| EFCS | Earth Fixed Coordinate System |
| MAI | Machine-Aided Indexing |
| PU | Propellant Utilization |
| PCD | Procurement Control Document |
| R | LEO Request Liaison Engineering Order |
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