| Acronym | Meaning |
 | SDC | Shallow Draft Board |
| PDV | Pressure Disconnect Valve |
| MDT | Mean Down Time |
| ECOS | Experiment Computer Operating System |
| FASCOS | Flight Acceleration Safety Cutoff System |
| FSL | Flight Simulation Laboratory |
| JB | Junction Box |
| FEP | Floral Ethel Propane |
| ML | Middeck Left |
| SRCBD | Software Requirements Control Board Directive |
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