Russia's repeated violations of NATO airspace, in Poland, Romania and Estonia in recent weeks has the alliance looking east. There is another theatre where the Kremlin has been pushing for years — the Arctic. The security of Canada’s Arctic is very important, but it’s a challenge and one that the country may not be ready for. But a war game may help find the problem. The game’s designer and referee is Maj-Gen. Denis Thompson, who says “the idea behind this war game is to give people a perception or at least an idea of how vast the territory is and how difficult it would be to assert our sovereignty over the entire region.” Nathaniel Dove reports.