North Warning System

North Warning System

Type: radar

Domain: land

Country of Origin: United States

Manufacturer: Raytheon

First Deployed: 1988

Overview

Jointly-operated Canadian-American radar network providing early warning of air threats from Arctic approaches and critical NORAD infrastructure. System consists of 11 long-range radars and 36 short-range radars across Canadian Arctic and Alaska detecting aircraft and missiles. Originally constructed 1980s replacing DEW Line from 1950s. Modernization programme ongoing addressing aging equipment and emerging threats including hypersonic missiles and low-flying cruise missiles. Features over-the-horizon detection, integration with NORAD command centers, harsh Arctic environment operations. Critical for continental air defense providing decision time for response. Faces challenges from climate change affecting infrastructure and increasing traffic in opening Arctic passages. Represents Canadian-American defense integration and Arctic sovereignty priority.

Technical Specifications

roleAerospace warning and control across Canada's Arctic
typeLong-Range Early Warning Radar Network
coverage47 radar stations spanning 5,000 km of Arctic coastline

Operators

Related land Weapon Systems