Across 5,200 km of Canada's Arctic, some 1,300 members of Canada's military spent two winter months on a mission to meet the challenges of a changing north.
The patrol, which ended on Friday in Churchill, Manitoba, was the largest northern mission in the history of the Canadian Rangers - a branch of the Canadian Armed Forces responsible for monitoring the country's remote regions. For 5,200km (3,200 miles), they moved across the Arctic, following a route that had not been attempted in 80 years.
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