| Acronym | Meaning |
| SWF | ShortWave Fading |
| GUGK | Glavnoye Upravileniye Geodesii I Kartografii |
| MISR | Multiangle Imaging Spectro-Radiometer |
| ASI | Agenzia Spaziale Italiano |
| FPM | Fiber Pulling In Microgravity |
| TCM | Trajectory Control Maneuver |
| VEEGA | Venus-Earth-Earth Gravity Assist |
| EVA | Extravehicular Activity |
| JSC | Johnson Space Center |
| NBS | National Bureau Of Standards |