Two tugboats and barges carrying heating oil were stranded on the Hudson for more than 24 hours.
The U.S. Coast Guard Sturgeon Bay ice cutter came to their rescue, slicing through the frozen waters on Friday.
Using its hull, its power and its wake to make a crushed ice path 100 feet wide, reaching the stranded boats near Germantown
The most frozen part of the river is the bend -- that's where the wind and the current break the ice, it refreezes and thickens, trapping vessels that are trying to pass through.
On Wednesday, two U.S. Coast Guard cutters helped an oil barge break free of thick ice on the Hudson River at West Point.
The Coast Guard's Staten Island station says it was notified around 3 a.m. Wednesday that the tugboat Maryland and the barge it was pushing were stuck in the ice near the U.S. Military Academy at West Point, 50 miles north of New York City.