| Acronym | Meaning |
 | FSR | Flight Specific Requirements |
| MORD | Mission Operations Requirements Document |
| GCU | Generator Control Unit |
| COB | Communications Office Building |
| CDN | CDRDiscrepancyNotice |
| MO | Manual Orientation |
| OFS | Orbital (Orbiter) Flight System |
| BAI | Barometric Altitude Indicator |
| LMS | Information Management System |
| LS | Limit Switch |
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