| Acronym | Meaning |
| HAPEX | Hydrological Atmospheric Pilot Experiment |
| AA | Assistant Administrator |
| ECSA | Early Career Scientists Assembly |
| HP | Horse Power |
| BMRC | Bureau Of Meteorology Research Centre |
| EPI | Environmental Policy Institute |
| NCIS | Nadir Climate Interferometer Spectrometer |
| ESIS | ESA Space Information Systems |
| PCO | Polar Cap Observatory |
| NRSC | National Remote Sensing Centre |