| Acronym | Meaning |
| GEO | Geosynchronous Earth Orbit |
| GPPF | Gravitational Plant Physiology Facility |
| FGS | Fine Guidance Sensors |
| EUTELSAT | European Telecommunications Satellite Organization |
| CHARA | Center For High Angular Resolution Astronomy |
| SLAR | Side-Looking Airborne Radar |
| VFT | Visual Function Tester |
| RFM | Reconfigurable Furnace Module |
| FOC | Faint Object Camera |
| NS | Neutron Star |