| Acronym | Meaning |
 | FAC | Facility |
| OFP | Orbiter Flight Program |
| MOPR | Mission Operations Planning Room |
| ALT | Altimeter |
| MCS | Maintenance And Checkout Station |
| MTBR | Mean Time Between Replacement |
| CWA | Caution And Warning Annunciator |
| R&D | Research And Development |
| RTC | Real-Time Command |
| SESC | Shuttle Events Sequential Control |
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