This Cold War era documentary describes the building of the Distant Early Warning (DEW) Line, a string of radar stations across Alaska and Canada north of the Arctic Circle meant to protect ... Read allThis Cold War era documentary describes the building of the Distant Early Warning (DEW) Line, a string of radar stations across Alaska and Canada north of the Arctic Circle meant to protect against air attacks coming over the North Pole.This Cold War era documentary describes the building of the Distant Early Warning (DEW) Line, a string of radar stations across Alaska and Canada north of the Arctic Circle meant to protect against air attacks coming over the North Pole.