| Acronym | Meaning |
 | ERG | External Review Group |
| GPP | Gross Primary Productivity |
| BWI | Baltimore-Washington International Airport |
| NOPS | Nimbus Observations Processing System |
| RSCS | Remote Spooling Communications Subsystem |
| EOSIS | EOS Information System |
| NSSFC | National Severe Storms Forecast Center |
| GLONET | Global Ozone Observing System |
| DOD | Digital Omega Dropwindsonde |
| NAVAID | Navigation Aid |
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