| Acronym | Meaning |
 | CE | Control Element |
| PFC | Performance Flight Certification |
| VDD | Verification Description Document |
| VAB | Vehicle Assembly Building |
| LSS | Life Support Subsystem |
| HPPF | Horizontal Payloads Processing Facility |
| FMC | Food Machinery Corporation |
| OVF | Overfill |
| TDR | Test Discrepancy Report |
| CLMC | Central Logistics Management Center |
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