PS156: Geophysics Arctic Ocean Expedition on RV Polarstern
70 days at sea from Tromsø via Greenland and the Lomonosov Ridge to Bremerhaven, as seismic deck operator and watch keeper.
PS145/1: Training Course on RV Polarstern
12 days at sea from Bremerhaven to the Canary Islands, training in echosounding, sub-bottom profiling and bathymetry.