Trump criticized Canada for refusing to support the "Golden Dome" project over Greenland.
Recently, NBC News reported, citing its sources, that Trump often expresses dissatisfaction to his aides about Canada's vulnerability to threats from U.S. adversaries in the Arctic. According to the network, the president also voices concerns that Canada will not be able to protect its borders from potential attacks by Russia or China.
At the same time, U.S. officials emphasize that Trump has no intention of "acquiring Canada." According to NBC, the U.S. administration is negotiating with Canadian authorities about possible military cooperation in the Arctic region; however, the issue of deploying American troops on Canada's northern border is not being raised.
In 2025, Trump mentioned the resigned Canadian Prime Minister Justin Trudeau, calling him "the governor of the great state of Canada" amid disagreements over the potential imposition of tariffs on Canadian goods. Later, he claimed that Canada could avoid trade tariffs and receive military protection if it became part of the U.S.
In January of last year, Trump signed an order to create a missile defense system called the "Golden Dome," similar to the one used by Israel to intercept missiles.