MARUM-QUEST (IMAGE) Helmholtz Association Caption The ROV MARUM-QUEST can operate in depths down to 4,000 meters below sea level. Credit Photo: Dirk Olonscheck, Alfred Wegener Institute 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.