Inside a top secret Canadian submarine

Air Date: Feb 06, 2018 9:57 PM ET

Inside a top secret Canadian submarine4:57

CBC News has gotten an exclusive look inside a top-secret Canadian submarine — so secret, we can't even tell you exactly where the submarine was when we got inside. The HMCS Chicoutimi is deep in the Pacific Ocean, within a few days' sail of the Korean Peninsula. Its task: to monitor supplies going into North Korea.

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