Canada readies Arctic shield as great-power rivals circle the North
Canada is boosting its Arctic defenses with more boots on the ground, upgraded radars, submarines and aircraft to deter Russia and reassure allies as the US focuses on Greenland and the Golden Dome missile-defense plan. Experts warn that current radar systems may be inadequate against hypersonic missiles and call for space-based sensors and over-the-horizon radar, all while logistical challenges and a tense but functional US–Canada security relationship shape the path forward.