| Acronym | Meaning |
| TLV | Transporter-Loader Vehicle |
| FRJD | Forward Reaction Jet Driver |
| DI | Display Interface Processor (Software Functional Element) |
| UCTA | Urine Collection Transfer Assembly |
| FDA | Fault Detection And Annunciation |
| REM | Release-Engage Mechanism |
| VP | Viewpoint |
| FS | Flight System |
| DOF | Degree-of-Freedom |
| MT | Mount |