面对日益激烈的全球竞争和高超音速导弹等新型威胁，加拿大正在加强其北极防御。由于俄罗斯和美国都将目光聚焦于该地区，加拿大承诺将改进雷达、加强军事部署并完善基础设施。尽管美加关系紧张，但专家表示，尽管存在政治言辞，但务实的合作仍在继续。 Canada is increasing its Arctic defenses amid rising global competition and new threats like hypersonic missiles. With Russia and the U.S. focusing on the region, Canada has pledged to improve radar, military presence, and infrastructure. While U.S.-Canada relations are strained, experts say practical cooperation continues despite political rhetoric.