Since World War II, the Arctic has been a region of geostrategic importance to the United States. As unprecedented environmental transformation occurs in the Arctic, this region will increase in significance. When historians look back at this critical opportunity to develop U.S. Arctic policy, we do not want the question to be posed, "Who lost the Arctic?" but rather, "How did the United States win the Arctic?" Crafting U.S. policy toward the Arctic, however, is a complex and challenging undertaking. Arctic policy must respond to the economic, environmental, security, and geopolitical...