| Acronym | Meaning |
| EAG | Exposure Assessment Group |
| PERL | Practical Extraction And Report Language |
| MODS | Mission Operations And Data Systems |
| ORB | Object Request Broker |
| ELP | Emission Line Polarimeter |
| UARS | Upper Atmosphere Research Satellite |
| TOMS | Total Ozone Mapping Spectrometer |
| RDF | Real-data Forecast |
| HB | Hard Black |
| AMS | Aerial Monitoring/measurement System |