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Nature 444, 408 (23 November 2006) | doi:10.1038/444408a; Published online 22 November 2006
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Tragedy increases woes of US ice fleet
Rex Dalton
The main US ship for Arctic research is patching together plans for next year's cruises under the shadow of safety concerns, after its marine science officer and a crewman died while diving under the ice.The US Coast Guard icebreaker Healy is scheduled to begin operations in April, as part of International Polar Year, in which hundreds of scientists from at least 60 countries will launch projects at the poles.
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