| Acronym | Meaning |
 | PRD | Program Requirements Documents (UDS) |
| LM | Left Mid |
| CCMS | Checkout |
| SRU | ShOP-Replaceable Unit |
| PSM | Propellant Storage Module |
| R&OA | Reliability And Quality Assurance |
| BP | Complete |
| FREO | DIV FrequencY Divider |
| CPT | Cargo Processing Technician |
| MCC | Motor Control Center (JSC) |
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