| Acronym | Meaning |
 | SIS | Shuttle Interface Simulator |
| TOP | Technical Operating Procedure |
| ADPS | Acceptance Data Package System |
| THOLD | Threshold |
| EBO | Eyeballs Out (-GX) |
| EVSC | Extravehicular Suit Communications |
| FA | Final Assembly |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| MDCS | Material Data Collection System |
| IP | InstruMentation PCM Data Bus |
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