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Echoes of War
1989 · WGBH (Television station : Boston, Mass.), Vestron Video (Firm)
▶ Watch on Internet Archive⚠ Unverified — hosted on the Internet Archive, not confirmed public domain. Opens on archive.org; nothing plays here directly.
At the outset of World War II radar was a crude early-warning device. By 1945 it was a sophisticated electronic eye that could pinpoint aircraft, detect submarines, and guide bombing missions.