| Acronym | Meaning |
 | SCA | Shuttle Carrier Aircraft |
| PDS | Package Data System |
| SLC | ERNO SPacelab Project Control |
| F/C | Fit Check |
| GTCU | Ground Thermal Conditioning Unit |
| UCTA | Urine Collection Transfer Assembly |
| WTSC | Wet Tantalum Slug Capacitor |
| LOS | Line Of Sight |
| SEM | Scanning Electron Microscope |
| PCO | Postcheckout |
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