Climate - Ice Breaker Data (IMAGE) DOE/Oak Ridge National Laboratory Caption The icebreaker R/V Polarstern carried more than 60 ARM instruments for the MOSAiC expedition. Credit U.S. Dept. of Energy ARM User Facility Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.