| Acronym | Meaning |
 | OHGVT | Orbiter Horizontal Ground Vibration Test |
| OFK | OPtical Flight Kit |
| OCR | Optical Character Recognition |
| DASA | Dual Aerosurface Servo Amplifier |
| MCO | Mission Control Operations |
| TSP | Twisted Shielded Pairs (Cables) |
| BOI | Break Of Integrity |
| SDF | Software Development Facility |
| ROTI | Recording Optical Tracking Instrument |
| COMAT | Compatibility Of Materials |
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