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A computer displays sonar information on board a U.S. Navy submarine.
A computer displays sonar information on board a U.S. Navy submarine as part of Scientific Ice Expedition (SCICEX) '99. SCICEX '99 was conducted aboard USS Hawkbill (SSN 666), which was able to travel almost at will under the ice, making it a unique platform for a sophisticated sonar system dubbed the Seafloor Characterization and Mapping Pods (SCAMP).
Credit: Dale Chayes of the Lamont-Doherty Earth Observatory at Columbia University
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