XOcean aboard RV Celtic Explorer (IMAGE) University of Texas at Austin Caption A sea surface drone supplied by XOcean. Researchers will remotely pilot the drone through ice fields to the glacier’s towering face where it will conduct high-resolution scans of the seafloor and sediment walls, called moraines. Credit Marcy Davis/University of Texas Institute for Geophysics. Usage Restrictions Credit must be given to the creator. License CC BY 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.