| Acronym | Meaning |
 | RCS | Reaction Control System (Subsystem) |
| HAL | Houston Aerospace Language |
| QPR | Quarterly Progress Report |
| ESRO | European Space Research Organization |
| PP | Partial Pressure |
| PAR | Problem Accountability Record |
| MAI | Machine-Aided Indexing |
| GSVP | Ground Support Verification Plan |
| DDO | Discrete Digital Output |
| SADEC | SAEFspacecraft Assembly And EncaPsulation Facility |
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