100822-G-4702D-302 Operation Nanook

JACOBSHAVN ISFJORD -- Petty Officer 1st Class Michael Thayer, a boatswain's mate, pilots U.S. Coast Guard Cutter Alder's small boat past an iceberg field, above the Arctic Circle, while Alder steams south along Greenland's western coast, August 22, 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).