The crew of the Coast Guard Cutter Thunder Bay, a 140-foot icebreaking tug home ported in Rockland, Maine, continues to break ice on the Hudson River to keep shipping channels open between Kingston and Albany, N.Y., Feb. 5, 2015. The Thunder Bay's icebreaking operations are helping to facilitate the shipping of vital supplies such as home heating oil in support of Operation Reliable Energy Northeast Winters (RENEW). (U.S. Coast Guard photo by Petty Officer 3rd Class Ali Flockerzi)