| Acronym | Meaning |
| RAOB | Radiosonde Observation |
| ADI | Air Defense Initiative |
| CAS | Commission For Atmospheric Science |
| PAIR | Particulate Airborne Inlet Research |
| IDI | Instrumentation Development And Intercomparisons |
| NSFNET | National Science Foundation Network |
| LTCS | Lower Thermosphere Coupling Study |
| TAP IR | Reactive Gases |
| SCAR | Scientific Committee For Antarctic Research |
| TES | Tropospheric Emission Spectrometer |