| Acronym | Meaning |
| FUA | Fuel Use Act |
| CAS | Cooperative Application Satellite |
| IMSP | International Meteorological Service Program |
| AQD | Air Quality Digest |
| GAC | Global Area Coverage |
| PCDS | Pilot Climate Data System |
| AFOS | Automation Of Field Operations And Services |
| MRN | Meteorological Rocket Network |
| MAPS | Millions Of Actions Per Second |
| AGC | Automatic Gain Control |