| Acronym | Meaning |
 | CSS | Core Segment Simulator |
| PCM | Power Control Mission |
| MOPR | Mission Operations Planning Review |
| UPS | Uninterruptible Power System |
| HPRV | Hydrogen Pressure Relief Valve |
| TVCS | Thrust Vector Control System |
| JURG | Joint Users Requirements Group |
| WSTF | White Sands Test Facility |
| RFI | Radio Frequency Interference |
| S&AD | Science And Applications Directorate |
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