| Acronym | Meaning |
| ALEXIS | Array Of Low-energy X-ray Imaging Sensors |
| HPA | High Power Amplifier |
| AAAS | American Association For The Advancement Of Science |
| IDA | Institute For Defense Analysis |
| DERF | Dynamic Extended Range Forecasting |
| RPN | (Division De) Recherche En Precision Numerique |
| NMC | National Meteorological Center |
| FIRE | First ISLSCP Regional Experiment |
| AEW | Airborne Early Warning |
| DOPLID | Doppler Lidar |