| Acronym | Meaning |
 | MRL | Manipulator Retention Latch |
| FLG | Flag |
| UG | Microgram |
| ESR | Engineering Support Request |
| VTF | Vertical Test Flight |
| SO2 | Sulphur Dioxide |
| COD | Center Operations Directorate (JSC) |
| MSID | Measurement Stimulation Identification |
| S/M | Service/Maintenance |
| SVDS | Space Vehicle Dynamic Simulator |
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