| Acronym | Meaning |
 | V | Valve |
| NMC | National Meteorological Center |
| OD | Operational Downlink/Downlist |
| FDOR | Flight Design Operations Review |
| PCA | Pneumatic Control Assembly |
| SPIF | Standard Payload Interface Facility |
| RIB | Recoverable Item Breakdown |
| OPOV | Oxidizer Preburner Oxidizer Valve |
| PSM | Phase Sensitive Modulator |
| PD | Pitch Down |
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