Operation IceBridge (IMAGE) NASA/Goddard Space Flight Center Caption Operation IceBridge flew over a new crack in Petermann Glacier, one of the largest and fastest-changing glaciers in Greenland, on April 14, 2017, just a few days after the rift was detected in satellite imagery. Credit Credits: NASA/Gary Hoffmann 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.