The crew of the Coast Guard Cutter Mackinaw illuminates the ice around the tug Avenger IV as it breaks ice around the tug after it became stuck in the St. Marys River, Dec. 17, 2013. After the crew of Mackinaw freed the Avenger IV, it freed the vessel the tug was escorting through the St. Marys River. U.S. Coast Guard photo by Ensign Michael Cooper (U.S. Coast Guard)

Our staff-selected photos of the week of the Coast Guard in action.

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