OTTAWA — Canada’s traditional North Atlantic allies won out in the federal government’s high-cost hunt for modern submarines Monday, with Prime Minister Mark Carney announcing that Ottawa will buy its new fleet through a German-Norwegian partnership in what could be the largest military purchase in Canadian history.

The decision to go with German-based shipbuilder TKMS over South Korea’s Hanwha means Canada intends to replace its aging fleet of second-hand diesel submarines with craft that its builders bill as stealthy, capable of Arctic operations and “fully” compatible with the needs of allies in the North Atlantic Treaty Organization (NATO).

Get the latest news and unmatched insights in your inbox every evening

Please enter a valid email address.

Sign Up