USCGC Mackinaw Operation Spring Restore
The crew of Coast Guard Cutter Mackinaw prepares the buoy deck as Operation Spring Restore, April 23, 2013, in St. Ignace, Mich.
Spring Restore is an annual mission to verify and replace 1,281 aids to navigation throughout the Great Lakes region.
U.S. Coast Guard Photo by Lt. Dave Lieberman
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