| Acronym | Meaning |
| EFC | Experimental Forecast Center |
| ABAQUS | Finite-element Computer Code |
| VAFB | Vandenberg Air Force Base |
| OSS | Observation System Simulation |
| DOE/RFO | DOE Rocky Flats Office |
| AMMS | Advanced Microwave Moisture Sounder |
| C&DH | Command And Data Handling |
| USSDM | Unidata System For Scientific Data Management |
| TIME-GCM | Thermosphere-ionosphere-mesosphere-electrodynamic General Circulation Model |
| ARF | Aviation Route Forecast |