| Acronym | Meaning |
| PIPOR | Programme Of International Polar Oceans Research |
| OMO | Office Of Meteorological Observations |
| SIR | Spaceborne Imaging Radar |
| CBSS | Change Board Support System |
| SEM | System Element Management |
| INTELSAT | International Telecommunications Satellite |
| PLDS | Pilot Land Data System |
| PF | Performance Factor |
| NSSFC | National Severe Storms Forecast Center |
| ANARCHE | (The Atlanta) Aerosol Nucleation And Real-time Characterization Experiment |