| Acronym | Meaning |
 | PLSS | Primary Life SuPport Subsystem |
| MDCS | Material Data Collection System |
| ISIL | Interim Support Items List |
| REN | RAD Rendezvous Radar |
| FCD | Flight Control Division (JSC) |
| SPLY | Supply |
| NBT | Neutral Buoyancy Trainer |
| DAC | Digital To Analog Converter |
| NRM | Nonrecurring Maintenance |
| ESPS | Experiment Segment Pallet Simulator |
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