| Acronym | Meaning |
 | HVAC | Heating, Ventilating, Air-conditioning |
| ET | Edge Thickness |
| OCDR | Orbiter Critical Design Review |
| ELT | Emergency Locator Transmitter |
| FITH | Fire-in-the-Hole |
| EVF | Equipment Visibility File |
| SUTAGS | Shuttle Uplink Text And Graphics Scanner |
| STG | Stage |
| IAS | Indicated Airspeed |
| IVSI | Instantaneous Vertical Speed Indicator |
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