| Acronym | Meaning |
| SPDM | Special Purpose Dextrous Manipulator |
| RAE | Royal Aerospace Establishment |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
| MOMS | Modular Optoelectronic Multispectral/Stereo Scanner |
| AE | Arianespace SA |
| MOL | Manned Orbiting Laboratory |
| RG | Red Giant |
| GPS | Global Positioning System |
| MODIS-N | MODIS-Nadir |
| TTC | Telemetry |