| Acronym | Meaning |
 | ECD | Engineering Control Drawing |
| SC | Surface Command |
| DBIA | Data Bus Isolation Amplifier |
| FMS | Food Management System (Subsystem) |
| POCC | Payload Operations Control Center |
| LMS | Load Measurement System |
| VEI | Vehicle End Item |
| RIGI | Receiving Inspection General Instruction |
| VAC | Vacuum |
| FRB | Failure Review Board |
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