A 1967 solar flare led NORAD to conclude its early-warning radars were being jammed by the Soviet Union

A 1967 solar flare led NORAD to conclude its early-warning radars were being jammed by the Soviet Union

On May 23, 1967, … all three of the United States’ ballistic missile early-warning radars became simultaneously jammed. Located in the high-latitude areas of Alaska, Greenland, and the United Kingdom, these radars were designed to detect incoming Soviet missiles, and any attack or disruption of these radars were considered to be an act of war. […]