| Acronym | Meaning |
| ERS-II | European Research Satellite |
| ESJWG | Earth Science Joint Working Group |
| PEM | Particle Environment Monitor |
| FASCODE | Fast Atmosphere Signature Code |
| AISC | Assessment And Information Services Center |
| FT | Forward-in-time |
| ASME | American Society Of Mechanical Engineers |
| AGASP | Arctic Gas And Aerosol Sampling Program |
| EISA | Extended Industry Standard Architecture |
| MARC | Middle Atmosphere Responses To Changes |