discuss, like the rights to the research data. Once the expedition is over, our goal is to share as much of the da- ta as possible with the entire world. Of course, we had to convince our partners of that plan [...] much faster than the rest of the world, and what the future holds – this is internation- ally recognised as one of the great- est problems facing humanity, and most certainly one of the most im- portant [...] ozone sonde. During the expe- dition, the sonde will be deployed once a week. The MOSAiC team on the shores of Ny-Ålesund following ocean survival training. At the time of the exercise the water temperature