The DEW line was one of three radar early warning systems of the time. If you grew up in the middle of the Cold War, you probably remember hearing about the Distant Early Warning line between duck-and ...

ACROSS the North American continent from the edge of the polar icecap to the Mexican border lies a vast and wondrously intricate system of aerial defenses. Built over a period of nine years at a cost ...

Canada and the U.S. last week took two important steps to enclose their common backyard. On the Arctic Circle, the DEW line (for Distant Early Warning), a 3,000-mile electronic tripwire, was switched ...