
The Bridge with Peter Mansbridge Who and What Is Underwater in Canada's Arctic?
Dec 10, 2025
Adam Lajeunesse, a historian and expert in Arctic security from St. FX University, dives into the pressing topic of Canada's potential purchase of submarines to safeguard Arctic waters. He discusses the complexities of submarine operations in the Arctic, including historical activities of the U.S. and the need for advanced detection capabilities against potential threats. Adam emphasizes the strategic importance of conventional submarines for coastal defense and warns of the urgency in procurement to address immediate threats. A fascinating exploration of the challenges facing Canada's Arctic defense!
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Two Distinct Arctic Regions
- The Arctic discussed covers the Northwest Passage and the polar basin north of the archipelago.
- These two regions require different operational approaches for submarines and sensors.
U.S. Led Early Under‑Ice Submarine Work
- The U.S. pioneered under-ice submarine operations starting after WWII and into the Cold War.
- Nuclear power gave U.S. subs essentially unlimited underwater endurance for Arctic missions.
Canada Knew About Early U.S. Arctic Visits
- Canada was aware and involved when U.S. submarines first operated in northern waters.
- Canadian icebreakers and hydrographic work in the 1950s supported those early voyages.
