Drone helps ship to deliver fuel to Alaska town

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As a Russian fuel tanker slowly moves through the frozen Bering Sea toward an iced-in city in western Alaska, it has been getting help from an unusual source at its destination: a drone that flies overhead and sends images of the sea ice to researchers onshore.

The camera-equipped drone looks like a smoke detector with wings and legs. It glides on 20-minute missions ranging from 10 feet to 320 feet above the ice, and its images can be instantly viewed on a tablet-type computer screen.

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