RV/IB Nathanial B. Palmer (image) National Oceanography Centre, UK Share Print E-Mail Caption The American icebreaker RV/IB Nathanial B. Palmer is shown off the South Shetland Islands. The drilling rig is clearly seen on the rear deck. Credit S. Bohaty Usage Restrictions None Share Print E-Mail 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.