PORTAGE, Mich. - Petty Officer 2nd Class Lonny Pendle and Seaman Craig Senczyszym of Coast Guard Cutter Alder guide a bundle of chain as a crane moves it around on the ship?s buoy deck while underway on the Keweenaw River off Western Lake Superior, Nov. 12, 2008. CGC Alder is part of Operation Fall Retrieve, which switches all buoys in the Great Lakes with more durable ice buoys before the winter freezes the Lakes.