| Acronym | Meaning |
| IRC | International Radiation Commission |
| AST | Algorithm Support Team |
| MCV | Mesoscale Cyclonic Vortex |
| ETS | Emergency Transponder System |
| GAU | General Accounting Unit |
| SAVE | Stratospheric Aerosol Validation Experiment |
| PDU | Protocol Data Unit |
| TOPEX/POSEIDON | Ocean Topography Experiment |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| AIRAPT | International Association For Research On High Pressure Science & Technology |