Newly sworn-in Prime Minister Mark Carney landed in Iqaluit on March 18 while en route from Europe. In Nunavut's capital — his first stop in Canada outside of Ottawa — Carney announced a new $6-billion Arctic military radar system to be built jointly with the Australian government.

Prime Minister Mark Carney said Tuesday that Ottawa will expand the Canadian Armed Forces’ presence in the Arctic and turn to Australia's over-the-horizon radar tech to monitor threats from adversaries such as China and Russia.

Prime Minister Mark Carney announced Tuesday a Can$6 billion (US$4.2 billion) deal with Australia to develop an Arctic radar system, warning that Canada must take more responsibility for its defence as US priorities shift.