U.S. preparing to upgrade early warning radars in Canadian Arctic

During a press briefing at the Pentagon, Adm. Bill Gortney, head of NORAD and Northern Command, said political leaders in U.S. and Canada have been briefed on upgrades to the early warning sensors in the North Warning System.

Former DEW Line Radar station
By TSGT DONALD L. WETTERMAN (http://www.defenseimagery.mil DF-ST-88-03448) [Public domain], via Wikimedia Commons
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