As trade tensions between the US and Canada boil over, Mark Carney pointed out one area where the two countries’ interests are closely intertwined: icebreakers.

On Monday, the Canadian Prime Minister said that cooperation on the specialized vessels was a “reminder of one of the many, many, many things that the United States needs from Canada.”

Carney was speaking at a news conference in Quebec, where he announced an 11.3 billion Canadian dollar, or $8.2 billion, contract for shipbuilder Chantier Davie to build six new icebreakers for the Canadian Coast Guard.

He also used the occasion to take a jab at the size of the US fleet, which Washington…