| Acronym | Meaning |
 | LF | Low Frequency |
| NOWES | Northern Wetlands Study |
| EM | Electron Microscope |
| TREM | Tropical Rainfall Explorer Mission |
| ATS | Application Technology Satellite |
| GCOS | Global Climate Observing System |
| UCAID | University Corporation For Advanced Internet Development |
| RAFS | Regional Analysis And Forecast System |
| ATCSC | Air Traffic Control Systems Command Center |
| ADA | Applied Decision Analysis |
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