| Acronym | Meaning |
 | AVIRIS | Airborne Visible And Infared Imaging Spectrometer |
| NDVI | Greeness Index From Satellites |
| AECA | Arms Export Control Act |
| GIIS | General Instrument Interface Specification |
| APO | Administrative Policy Office |
| FOS | Family Of Services |
| IGACP | International Global Atmospheric Chemistry Program |
| ZTD | Zenith Tropospheric Signal Delay |
| GOS | Global Observing System |
| NSWP | National Space Weather Program |
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