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ac pkg Tuchman sonar mapping the ocean floor_00012701.jpg
ac pkg Tuchman sonar mapping the ocean floor_00012701.jpg

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    Could using sonar locate MH370?

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Could using sonar locate MH370?

CNN's Gary Tuchman visits a company that is using sonar technology to map the sea floor, which could help find MH370.

Could using sonar locate MH370?

CNN's Gary Tuchman visits a company that is using sonar technology to map the sea floor, which could help find MH370.