| Acronym | Meaning |
| IDL | Interface Definition Language |
| NEIC | National Earthquake Information Center |
| LFM | Limited-area Fine Mesh |
| OCC | Operations Control Center |
| SIRIS | Stratospheric Infrared Interferometer Spectrometer |
| ARG | Appointments Review Group |
| SPRINT | Sorted Position Radar Interpolator |
| NEEDS | N/A |
| MWG | Meteorological Working Group |
| SDS | Scientific Data Systems |