| Acronym | Meaning |
 | EUMETSAT | European Meterological Satellite Organisation |
| HMC | Halley Multicolor Camera |
| RAL | Rutherford-Appleton Laboratory |
| SID | Sudden Ionospheric Disturbance |
| HDE | Henry Draper Extension |
| NASM | National Air And Space Museum |
| MOC | Mars Observer Camera |
| WIMP | Weakly Interacting Massive Particle |
| SSPF | Space Station Processing Facility |
| LC | Launch Complex |
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