| Acronym | Meaning |
 | ESVS | Escape Suit Ventilation System |
| DPP | Drive |
| NIL | NNIL No Limit (NL Preferred) |
| MFMR | Multifrequency Microwave Radiometer |
| HID | HIM Interface Distributor |
| ENVIR | Environment |
| SSM | SPacecraft Systems Monitor |
| CR | Card Reader |
| ROS | Regulated Oxygen Supply |
| OC | Open Circuit |
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