Canada and Australia are planning to jointly develop a new military radar system in the Arctic amid a global surge of interest in the region, according to Canadian Prime Minister Mark Carney, who warned that Canada’s “adversaries are increasingly emboldened.

Canada has announced plans to purchase a new Arctic over-the-horizon radar (A-OTHR) system from BAE Systems Australia for more than CAD 6 billion ($4 billion). The system, known as the

Australian Prime Minister Anthony Albanese spoke with Carney by phone earlier on Tuesday, and said in a social-media post the two leaders reaffirmed the “deep friendship” between the two countries and their “commitment to a world where all countries can cooperate, trade and thrive.”