Historical Experience

North Warning System

North Warning System

Project Description

The North Warning System (NWS) is a joint United States and Canadian radar system for the atmospheric air defence of North America. It provides surveillance of airspace from potential incursions or attacks from across North America’s polar region. The North Warning System radar chain spans Canada’s northern coastline, across the Yukon, Northwest Territories, Nunavut and Labrador.

In Canada, the North Warning System consists of 47 radar sites located along the Arctic Ocean: of these, 11 are long-range radar sites, and 36 are short-range radar sites. The sites are equipped to gather information about any airborne activity within their coverage area. The radar sites automatically send the information they receive to the Canadian Air Defence Sector located at 22 Wing North Bay, in Ontario, over a long-haul satellite communications network. The Canadian facilities are remotely monitored and controlled from North Bay on a 24/7 basis.

Role of CBO

CBO provides maintenance services to 47 remote radar sites located across the Yukon, Northwest Territories, Nunavut, and Labrador. CBO is the Prime Subcontractor to Raytheon Canada Ltd. and delivers both hard and soft services in support of the project.

Maintenance Services:

  • Facilities Maintenance
  • Vehicle & Equipment Maintenance
  • Bulk Fuel Supply and Maintenance
  • Water & Sewage Monitoring
  • Environmental Compliance

Project Details

  • Client:
    Raytheon Canada Ltd.
  • Location:
    50+ Locations Across the Canadian Arctic
  • Project Length:


  • Maintenance Services