GULF OF ST. LAWRENCE -- Lt. Robert Amrien, a Physician's Assistant temporarily assigned to the Coast Guard Cutter Alder, homeported in Duluth, Minn., uses Petty Officer 3rd Class Trent Lamun, a Damage Controlman, to demonstrate proper first-aid techniques to newly reported crewmembers, July 20, 2010. Alder is underway as part of Operation Nanook, one of three major operations conducted per year in the Canadian Arctic, designed to demonstrate international cooperation and expand the international ability to respond to emergencies in the Arctic. (U.S. Coast Guard photo by Petty Officer 3rd Class George Degener).