| Acronym | Meaning |
 | CSPU | Coi-e Segment Processing Unit |
| PEFO | Payload Effects Follow-on Study |
| QUP | Quality Unit Pack |
| QDR | Qualification Design Review |
| PUSS | Pallet Utility Support Structure |
| LDEF | Long Duration ExPosure Facility |
| MS | Mass Spectrometer |
| SSE | SubsYstem Support Equipment |
| MPS | Main Propulsion System (Subsystem) |
| PDL | Pocket Dosimeter-Low |
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