HARWOOD, N.D. - Crewmembers from Coast Guard Station Marblehead, Ohio, beach a 20-foot airboat, after patrolling in the Harwood area, March, 19, 2010. Airboats are used in the Great Lakes region to conduct ice rescues and are capable of operating over water, ice and short distances on land. U.S. Coast Guard photo by Petty Officer 3rd Class Tom Atkeson