| Acronym | Meaning |
 | MIS | Mission Information Subsystem |
| CIS | Change Impact Summary |
| SCB | Selection Control Board |
| CSD | Chemical Systems Division |
| MIC | Management Information Center |
| CRIS | Calibration Recall And Information System |
| VATF | Vibration And Acoustic Test Facility |
| NOC | Not Otherwise Coded |
| ILA | Instrument Landing Approach |
| ETA | External Tank Attachment |
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