The mobile drilling unit Kulluk is towed by the tugs Aiviq and Nanuq in 29 mph winds and 20-foot seas 116 miles southwest of Kodiak, Alaska, on Sunday, Dec. 30, 2012. (AP Photo/U.S Coast Guard, Chris Usher)
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The mobile drilling unit Kulluk is towed by the tugs Aiviq and Nanuq in 29 mph winds and 20-foot seas 116 miles southwest of Kodiak, Alaska, on Sunday, Dec. 30, 2012. (AP Photo/U.S Coast Guard, Chris Usher)
