Eventual replacement: * https://en.wikipedia.org/wiki/North_Warning_System https://en.wikipedia.org/wiki/North_Warning_System An upgrade was recently announce

Eventual replacement: * https://en.wikipedia.org/wiki/North_Warning_System https://en.wikipedia.org/wiki/North_Warning_System An upgrade was recently announced with a collaboration with Australia: * https://www.cbc.ca/news/canada/north/canada-early-warning-detection-arctic-1.7486640 https://www.cbc.ca/news/canada/north/canada-early-warning-de... * https://en.wikipedia.org/wiki/Jindalee_Operational_Radar_Network https://en.wikipedia.org/wiki/Jindalee_Operational_Radar_Net...