| Acronym | Meaning |
| TURB | Turbine |
| MIL | GSFC Spaceflight Tracking And Data Network Station |
| ERG | Ergometer |
| CWS | Caution And Warning System |
| PTR | Preliminary Test Report |
| SR | Statement Of Requirements |
| FMR | Field Modification Request |
| RJDA | Reaction Jet Driver Aft |
| MPESS | Mission Peculiar Experiment Support Structure |
| DRUC | Disposition Record Unsatisfactory Condition |