NEW YORK-U.S. Coast Guard Seaman Andrew Stover at the helm of the Coast Guard Cutter Penobscot Bay, a 140-foot icebreaking tug, as the crew clears a shipping lane of ice on the Hudson River, Feb. 12, 2011.The Penobscot Bay, homeported in Bayonne, N.J., performs icebreaking missions up and down the Hudson River throughout the winter months to facilitate navigation, as well as to meet the reasonable demands of commerce, particularly so that home heating oil can be brought upriver to residents.Coast Guard photo by Petty Officer 3rd Class Seth Johnson.