| Acronym | Meaning |
| IGY | International Geophysical Year |
| VMS | Vertical Motion Simulator |
| VOIR | Venus Orbiting Imaging Radar |
| EJASA | Electronic Journal Of The Astronomical Society Of The Atlantic |
| FFCC | Free-Flyer Control Centre |
| ADS | Astrophysical Data System (at Havard-Smithsonian CfA) |
| ESPC | European Space Power Conference |
| VPF | Vertical Processing Facility |
| AURA | Association Of Universities For Research In Astronomy |
| INTELSAT | International Telecommunications Satellite |