2004 – Arctic Coring Expedition

Purpose Scientific core drilling at 88.5°N on the Lomonosov Ridge
Principal International Ocean Drilling Project (IODP)
Operator British Geological Survey
Heavy Icebreaker Atomflot, Russia: Sovyetskij Soyuz
Medium Icebreaker Swedish Maritime Administration: Oden
Stationary drill ship Rederi AB Transatlantic (now Viking Supply Ships): Vidar Viking
Ice safety and documentation AKAC Inc.: Arno Keinonen
Ice Management Swedish Maritime Administration: Ulf Hedman, Per Frejvall, Bertil Larsson, Anders Backman