| Acronym | Meaning |
 | CCID | Confidential Chemicals Identification System |
| EXEC | Executable Program |
| ETE | Estimated Time En Route |
| ASEP | Accident Sequence Evaluation Program |
| NAR | Nonadvocacy Review |
| NACCAM | National Coordinating Committee On Aviation Meteorology |
| ADEPT | Alexandria Digital Earth Prototype |
| OCC | Operations Control Center |
| AMR | Adaptive Mesh Refinement |
| EMO | Elk Mountain Observatory |
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