TNPSC Thervupettagam

Arctic Over-the-Horizon Radar System

June 28 , 2026 13 hrs 0 min 35 0
  • Canada signed a $2.5 billion agreement with Australia and BAE Systems Australia to acquire an Arctic Over-the-Horizon Radar (A-OTHR) system.
  • The A-OTHR uses high-frequency radio waves reflected from the ionosphere to detect aircraft and missiles beyond the normal radar range.
  • The system is based on Australia's Jindalee Operational Radar Network (JORN) technology and supports Canada's North American Aerospace Defence Command (NORAD) modernisation programme.
  • NORAD (North American Aerospace Defence Command) is a joint defence organisation of Canada and the United States.
  • The project is expected to achieve initial operational capability by December 2029 and create about 2,270 jobs annually in Canada during 2026–2033.

 

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