| Acronym | Meaning |
 | SIT | Shuttle Interface Test |
| RTHC | Rotation-Translation Hand Controller |
| SSFGSS | Space Shuttle Flight And Ground System Specification |
| GTCU | Ground Thermal Conditioning Unit |
| RDR | Rudder |
| SGSC | Strain Gage Signal Conditioner |
| PF | Parachute Facility |
| RGA | Rate Gyro Assembly |
| DVT | Design Verification Testing |
| GACU | Ground Air Conditioning Unit |
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