| Acronym | Meaning |
 | RANN | Research Applied To National Needs |
| UPP | User Parameter Processing |
| UCPU | Urine Collection And Pretreatment Unit |
| EDB | Environmental Data Book |
| V | Voice |
| MTEF | Fluid Maintenance Test Equipment |
| VREL | Relative Velocity |
| LOWG | Landing Operations Working Group |
| EHC | Electrical Heating Control |
| STR | Structure |
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