Inside the Canadian military's training for sub-Arctic warfare

Shifting geopolitics, climate change, and U.S. President Donald Trump's volatility have highlighted the urgency for Canada to secure its Arctic.

Part of Canada’s revamped Arctic plan includes establishing military hubs in Iqaluit, Inuvik and Yellowknife.

Global's Mike Armstrong reports from Chisasibi, Que., on how the Canadian military is training for the bone-chilling challenges of sub-Arctic warfare.