| Acronym | Meaning |
| VAS | VISSR Atmospheric Sounder (launch |
| GEWEX | Global Energy And Water Cycle EXperiment (WCRP) |
| NASA | National Aeronautics And Space Administration |
| H2O | Water (vapor) |
| BIBEX | Biomass Burning Experiment |
| ABBA | Automated Biomass Burning Algorithm |
| TES | Tropospheric Emission Spectrometer (EOS) |
| STEP | Satellite Technology Education Program (WSGC) |
| MSL | Mean Sea Level |
| IMG | Interferometric Monitor For Greenhouse Gases |