Sonar image of the Kotohira Maru shipwreck, showing outlines and details of the fragmented structure in shades of yellow and black.
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SAS imagery of Kotohira Maru
Synthetic aperture sonar imagery of the wreck of Kotohira Maru, a 6,000-ton freighter carrying supplies from Japan that was bombed by an American weather plane on January 5, 1943.
Credit

Exploring Attu’s Underwater Battlefield and Offshore Environment/ThayerMahan, Inc.