| Acronym | Meaning |
| VIP | Versatile Information Processing |
| WG/NGWR | Working Group For Next-Generation Weather Radar |
| EXEC | Executable Program |
| PICS | Positive Ion Composition Spectrometer |
| EFTA | European Free Trade Association |
| EGD | Effluent Guidelines Division |
| EOSAT | Earth Observation Satellite Company |
| ESIP | Earth System Information Partners Federation |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| MHS | Message Handling System |