| Acronym | Meaning |
 | PGA | Pressure Garment Assembly |
| BPV | Bipropellant Valve |
| DC | Digital Command Assembly |
| PSL | Pressure Seal |
| ELV | Expendable Launch Vehicle |
| USRA | Universities Space Research Association |
| DADS | Dual Air Density Satellite |
| SSS | Station Set Specification |
| POR | Purchase Order Request |
| OM | RS Operations And Maintenance Requirements Specification |
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