| Acronym | Meaning |
| GOES | Geostationary Operational Environmental Satellite |
| MEF | Master E-mail Facility |
| NEXUS | Next Upper Air Sounder (system) |
| ESM | Earth Systems Model |
| GHRS | Goddard High Resolution Spectograph |
| ISSE | Institute For The Study Of Society And The Environment |
| ECU | Environmental Crimes Unit |
| CAL/VAL | Calibration/Validation |
| EPIC | Environmental Photographic Interpretation Center |
| ACATS | Airborne Chromatograph For Atmospheric Trace Species |