Drones are key to protecting the Arctic where humans can't, but getting them to work in the cold is a challenge

Drones are key to protecting the Arctic where humans can't, but getting them to work in the cold is a challenge

COLE BURSTON/AFP via Getty Images

NATO needs cheap drones in the Arctic as the region becomes more contested and critical for security. But the region's harsh conditions make the technology difficult to operate, warfare experts say.

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