| Acronym | Meaning |
| IRAF | Image Reduction And Analysis Facility |
| ERS | Environmental Research Satellite |
| AGU | American Geophysical Union |
| SLAR | Side-Looking Airborne Radar |
| UARS | Upper Atmosphere Research Satellite |
| GLOMR | Global Low-Orbiting Message Relay |
| BEM | Bug-Eyed Monster |
| KAO | Kuiper Airborne Observatory |
| GPS | Global Positioning System |
| SIR | Shuttle Imaging Radar |