| Acronym | Meaning |
| GPCP | Global Precipitation Chemistry Project |
| NCOM | NCAR CSM Ocean Model |
| MTBF | Mean Time Between Failure |
| HSI | High-speed Interferometer |
| AURA | Association Of Universities For Research In Astronomy |
| METEOSAT | Meteorological Satellite |
| OASM | Operational Analysis Support Model |
| GEM | Geospace Environment Modeling Program |
| AT | Antarctic Treaty |
| ERG | External Review Group |