| Acronym | Meaning |
| OCG | Ocean Catalog Group |
| UIC | Unit Identification Code |
| F/P-INT | Fabry Perot Interferometer |
| AA | Activity Area |
| VIRGS | VISSR Image Registration And Gridding System |
| VAS | VISSR Atmospheric Sounder |
| APACM | Atmospheric Physical And Chemical Monitor |
| CASS | Computer-Assisted Surveillance System |
| TDM | Three-dimensional Time-varying Mesoscale Model |
| GGS | Global Geospace Science Program |