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.
KH7010: i2B Arctic Ocean Expedition on RV Kronprins Haakon
35 days at sea from Longyearbyen to the Lomonosov Ridge and the North Pole, collecting water samples and handling marine sediments.