The crew of Coast Guard Cutter Mackinaw maneuvers through ice on the St. Marys River near the Soo Locks in Sault Ste. Marie, Mich., March 20, 2014. The Coast Guard is ice breaking in the river to prepare for the scheduled opening of the Soo Locks, March 25. (U.S. Coast Guard photo by Petty Officer 2nd Class Levi Read)