| Acronym | Meaning |
 | DCTN | Defense Commercial Telecommunications Network |
| PEM | Pacific Exploratory Measurements |
| KNET/SPARTACUS | N/A |
| EDMS | Electra Data Management System |
| ACT | Atmospheric Chemical Transformations |
| FCOM | Federal Coordinators Office Of Meteorology |
| CAAA | Clean Air Act Amendments |
| MUSE | Monitor Of Ultraviolet Solar Energy |
| NOAO | National Optical Astronomy Observatories |
| AHS | Automated Highway System |
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