| Acronym | Meaning |
 | CCN | Computer-to-computer Network |
| EWE | Equatorial Winds Experiment |
| ALSAS | AT Line Solution Assay |
| ATR | Alliance For Transportation Research |
| (C3) | Command |
| NSSFC | National Severe Storms Forecast Center |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| AQMA | Air Quality Maintenance Area |
| CDOS | Customer Data And Operations System |
| ETS | Emergency Transponder System |
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