| Acronym | Meaning |
 | DSA | Directory System Agent |
| EOL | End Of Life |
| NCF | Network Control Facility |
| AFWA | Air Force Weather Agency |
| ARPS | Advanced Regional Prediction System |
| IFD | Indirect Flare Detector |
| UTC | Universal Time Coordinate Or Coordinated Universal Time |
| ACOS | Advanced Coronal Observing System |
| MASDIS | Meteorological Assimilation Data Ingest System |
| IWRA | International Water Resources Association |
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