| Acronym | Meaning |
 | VSWR | Voltage Standing Wave Ratio |
| PREL | Preliminary |
| FM | Flight Model |
| SATS | Shuttle Avionics Test System |
| BP | C/WCarrier Wave |
| PTCS | Passive Thermal Control Section |
| SCDP | Simulation Control Data Package |
| RCHCS | Regenerable CO And Humidity Contro SYstem |
| IP | Intermediate Pallet |
| ELS | Earth Landing System (Subsystem) |
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