ST. IGNACE, Mich. - The U.S. Coast Guard Cutter Hollyhock, homeported in Port Huron, Mich., and the commercial tugboats Reliance, Nickelena and Erika Kobasic, sit moored at Coast Guard Station St. Ignace, Mich., Jan. 24, 2011 The four vessels are participating in a project that demonstrates capabilities for removing spilled oil from an icy environment. U.S. Coast Guard photo by Petty Officer 3rd Class George Degener.