| Acronym | Meaning |
 | PRR | Parts Replacement Request |
| SCN | Specification Change Notice |
| DDL | Data Downlink |
| COMR&DSAT | Communication Research And Development Satellite |
| MAF | Michoud Assembly Facility |
| HVDS | Hypergolic Vapor Detection System |
| SPACE | Spacecraft Prelaunch Automatic Checkout Equipment |
| FDF | Flight Data File |
| RS | Redundancy Status |
| TCG | Test Control Group |
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