| Acronym | Meaning |
 | SISEX | Shuttle Imaging Spectrometer Experiment |
| AAH | Advanced Attack Helicopter |
| IRIS | Infrared Interferometer Spectrometer |
| IUGG | International Union Of Geodesy And Geophysics |
| CA | Citizen Act |
| SAVE | South Atlantic Ventilation Experiment |
| NSWP | National Space Weather Program |
| NNT | Nearest Neighbor Tool |
| PCO | Polar Cap Observatory |
| NEPH | Nephelometer |
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