NASA's Operation IceBridge: High and Low over the Rift (video) NASA/Goddard Space Flight Center Share Print E-Mail Loading video... Caption This year Operation IceBridge has returned twice to the Pine Island Glacier, the site of a massive glacial crack poised to potentially create an iceberg the size of New York City. Operation IceBridge returned to the Pine Island Glacier twice in 2012, and NASA glaciologist Kelly Brunt discusses the implications of the glacier's impending calving event. Credit NASA's Goddard Space Flight Center Usage Restrictions None Share Print E-Mail 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.