| Acronym | Meaning |
 | PIF | Payload Integration Facility |
| SSI | Significant Structural Item |
| VVI | Vertical Velocity Indicator |
| CDR | Commander |
| PRF | Pulse Repetition Frequency |
| LPFTP | Low Pressure Fuel Turbopump |
| LER | Long Eye Relief (Optics) |
| S/C | Stabilization And Control |
| TSRA | Total System Requirements Analysis |
| VPF | Vertical Processing Facility |
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