| Acronym | Meaning |
 | PSS | Propulsion Support System |
| MDDS | Material Directory Data Sheet |
| E | LSCEarth Landing Sequence Controller |
| LPOT | Low-pressure Oxidizer Turbopump |
| FSD | Flight Simulation Division (JSC) |
| HAD | Heat Actuated Device |
| PCDU | Payload Command Decoder Unit |
| CAP | Computer Application Program |
| ST | Special Tooling |
| RR | Range Rate |
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