| Acronym | Meaning |
| ACE | Advanced Composition Explorer |
| GOES | Geostationary Orbiting Environmental Satellite |
| TKSC | Tsukuba Space Center |
| GAS | Get-Away Special |
| MAS | Millimeter-wave Atmospheric Sounder |
| SAGA | Solar Array Gain Augmentation |
| VIB | Vertical Integration Building |
| NS | Neutron Star |
| EMU | Extravehicular Mobility Unit |
| LEDA | On-line Earthnet Data Access |