| Acronym | Meaning |
 | STSOPO | Shuttle Transportation Systems Operations Program |
| FRRID | Flight Readiness Review Item DescriPtion |
| MVGVT | Mated Vertical Ground Vibration Test |
| AWAD | Assembly Work Authorization Document |
| SNSR | Sensor |
| LRO | Large Radio Observatory |
| MSG | Mechanical Subsystem Group |
| ORD | Operational Readiness Date |
| VCU | Video Control Unit |
| EV | Expendable Vehicles |
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