| Acronym | Meaning |
 | HVDS | Hypergolic Vapor Detection System |
| VCI | Velocity Change Indicator |
| PFRX | Preflight Relmat (X- 1 |
| CCAFS | Cape Canaveral Air Force Station |
| FCRT | Flight Display CRT |
| IOSC | Integrated Operations Support Center |
| PR | PressureRegulator |
| TRD | Test Requirements Document |
| EDC | Engineering Design Change |
| SSPRO | Space Shuttle Program Resident Office |
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