| Acronym | Meaning |
 | DRD | Data Requirement Description |
| MSC | Master Sequence Controller |
| SPND | Suspend |
| WUSCI | Western Union Space Communications |
| I | ECM Induced Environment Contamination Monitor |
| OTR | Outer |
| CFD | Converter |
| ES | Experiment Segment |
| FAR | Federal Aviation Regulation |
| MAA | Mathematical Association Of America |
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