| Acronym | Meaning |
 | ORS | Orbital Refueling System |
| TASPR | Total Air Temperature |
| OV | Oxygen Vent |
| DI | Display Interface Processor (Software Functional Element) |
| OMV | Oxygen Manual Valve |
| PVWS | Planned Value Of Work Scheduled |
| MCC-DOD | Mission Control Center-DOD |
| SA | Single Access |
| ELT | Emergency Locator Transmitter |
| SMIR | Shuttle Multispectral Infrared Radiometer |
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