| Acronym | Meaning |
| ESN | ECS Science Network |
| WGNE | Working Group On Numerical Experimentation |
| ISMG | International Scientific And Management Group |
| THORPEX | The Observing System Research And Predictability Experiment |
| NSS | Nodal Switching Subsystem |
| CCP | Clouds In Climate Program |
| ETFSP | Enhanced Technology Flight Segment Prototype |
| PRUDENCE | Prediction Of Regional Scenerios And Uncertainties For Defining European Climate Change Risks And Effects |
| WMS | World Magnetic Survey |
| GCCDF | Generic Control Center Development Facility |