Seaman Christian Wilson, a crewmember aboard the Coast Guard Cutter Bristol Bay, tightens a chain connected to a buoy to secure it to the deck of an aids-to-navigation barge connected to the Bristol Bay, during buoy operations in Lake Erie, Nov. 27, 2012. The crew of the Bristol Bay is decommissioning some navigational buoys and replacing others as part of Operation Fall Retrieve, which is designed to limit damage done to navigational buoys during the winter months. U.S. Coast Guard photo by Petty Officer 2nd Class Levi Read.