A U.S. Coast Guard helicopter crew flies over U.S. Coast Guard and Royal Canadian Mounted Police boatcrews as they conduct joint smallboat training along the shared US/Canada border in the Detroit River Dec. 11, 2012.The Air Station Detroit rescue helicopter crew was in the area conducting routine training at the same time the boatcrews were conducting law enforcement training.U.S. Coast Guard photo by Petty Officer 1st Class Chris Lippert