| Acronym | Meaning |
| ISPM | International Solar Polar Mission |
| EDS | Electronic Data Systems |
| WMO | World Meterological Organisation |
| GPC | General Purpose Computer |
| CFHT | Canada-France-Hawaii Telescope |
| CZCS | Coastal Zone Color Scanner |
| WR | Western Range |
| INMARSAT | International Maritime Satellite |
| CGF | Crystal Growth Furnace |
| OPF | Orbiter Processing Facility |