| Acronym | Meaning |
| DRD | Data Requirements Document |
| SEICO | System Engineering Instrumentation |
| SS | Single String |
| SCFH | Standard Cubic Feet Per Hour |
| PFCF | Payload Flight Control Facility |
| SF | Selection Filter |
| LCVG | Liquid Cooling And Ventilation Garment |
| MA | Maintenance Ability |
| SAU | Signal Acquisition Unit |
| HMF | Hypergot Maintenance Facility |