Thwaites Glacier Ice Shelf (image) University of Washington Caption This is a photo of the Thwaites ice shelf taken during an October 2013 Operation IceBridge aerial survey. Credit James Yungel / NASA Usage Restrictions With credit. 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.