Arnór Sigurjónsson, the director of the security and defense department of Iceland’s ministry of foreign affairs — the country’s de facto defense minister — discusses the return of US maritime patrol aircraft to Iceland, the defense implications of climate change including a more navigable Arctic, China and more with Defense & Aerospace Report Editor Vago Muradian. The interview, conducted at the residence of Sweden’s ambassador to the United States, followed an Atlantic Council event in Washington marking 10th anniversary of the Nordic Defense Cooperation agreement to improve collaboration among Denmark, Finland, Iceland, Norway and Sweden.