| Acronym | Meaning |
 | MRD | Mission Requirements Document |
| PROJ | Project |
| DEDA | Data Entry And Display Assembly |
| HCF | HIM Configuration File |
| ESVS | Escape Suit Ventilation System |
| HDRR | High Data Rate Recorder |
| EBS | Emergency Breathing Subsystem |
| TPS | Thermal Protection System |
| EVLSS | Extravehicular Life Support System |
| CDC | Countdown Clock |
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