| Acronym | Meaning |
 | ONBT | Orbiter Neutral Buoyancy Trainer |
| OCC | Office Of Contract Compliance |
| BOS | Bright Object Sensor |
| ECO | Engine Cutoff |
| PFL | Primary Freon Loop |
| TSE | Transportation Support Equipment |
| MUMS | Multiple Use Marc System |
| GTI | Grand Turk Island |
| CMAO | Contract Management Assistance Officer |
| CTP | Communications Timing Procedure |
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