| Acronym | Meaning |
 | RFC | Request For Change Revolution |
| EMU | Extravehicular Mobility Unit |
| COMB | Combustion |
| RDW | Return Data Words |
| FCOS | Flight Computer Operating System |
| CDB | Command Data Base |
| HMCC | Hypergolic Maintenance And Checkout Cell |
| ARTS | Automated Resource Tracking System - ARTEMIS |
| BP | Blood Pressure |
| SIA | Shuttle Induced Atmosphere |
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