| Acronym | Meaning |
 | AA | Accountable/activity Area |
| TRACS | Trends In Atmospheric Constituents Study |
| ERC | Environmental Research Center |
| SIRS | Social Issues Resources Services |
| CAGE | Continental Africa GATE Experiment |
| PROFS | Program For Regional Observing And Forecasting Services |
| ELVD | Every Launch Vehicle Directorate |
| ICAS | Interdepartmental Committee On Atmospheric Science |
| ATRMD | Air |
| ORU | Orbital Replacement Unit |
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