| Acronym | Meaning |
 | AA | Access Authorization |
| OMB | Office Of Management And Budget |
| ACEC | American Consulting Engineers Council |
| FIVRS | Financial Information Variance Reporting System |
| AMPS | Atmospheric |
| NSG | Natural Systems Group |
| DEBITS | Deposition Of Biogeochemical Important Trace Species |
| NESS | National Earth Satellite Service |
| IAG | Instrumentation Advisory Group |
| PC | Geomagnetic Pulsations |
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