SAVANNAH, Ga. - A CH-146 Griffon helicopter crew of the Royal Canadian Air Force 424 Squadron fly above the crew of a Coast Guard Station Tybee Island 41-foot rescue boat on the Savannah River Wednesday, Feb. 22, 2012. The Canadian crew, based in Trenton, Ontario, trained with Air Station Savannah and Station Tybee to better support maritime training not available to Canadian forces during the winter months and exchange search-and-rescue techniques. U.S. Coast Guard photo by Petty Officer 1st Class Christopher Evanson.