Hercules Planes (image) University of Copenhagen - Niels Bohr Institute Caption This image shows a crew exchange in the NEEM field camp on the Greenland ice sheet. Most cargo and personnel is flown to the camp on US LC-130 ski-equipped Hercules planes managed through the US Office of Polar Programs, National Science Foundation. Credit Niels Bohr Institute Usage Restrictions Niels Bohr Institute 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.