| Acronym | Meaning |
| MIGS | MASnet Internet Gateway Server (or System) |
| 4DDD | Four-Dimensional Data Assimilation |
| PACJET | Pacific Land-falling Jets Experiment |
| ESL | Earth Sciences Laboratories |
| ARF | Aviation Route Forecast |
| F/P-INT | Fabry Perot Interferometer |
| DRD&DAA | Environmental Research |
| RATS | Real-time Aircraft Tracking System |
| APL | Applied Physics Laboratory |
| MOS | Marine Observation Satellite |