Definition of distant early warning in English:
A radar system in North America set up during the Cold War for the early detection of a missile attack.
- The north warning system replaced the distant early warning line in the early 1990s and is used to provide surveillance of potential attack routes via Arctic airspace.
- The DEW Line was designed to provide distant early warning of manned bomber or intercontinental ballistic missile attacks.
- Fifty years ago last month, Canada and the United States approved the construction of the distant early warning line.
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