Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Davis, Henry Gassaway to Diamond

Dew line

canada radar warning

Dew line, acronym for Distant Early Warning line, consisting of 31 radar tracking stations between Alaska and Greenland designed to watch for Soviet air attacks. It was maintained by the United States and Canada until 1985 when Canada assumed full responsibility. It is now called the North Warning System.

See also: Radar.

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