Watch BBC - Heroes and Weapons of WWII Season 1 Episode 4 Online
- Subtitles: English
In 1940, German bombers were ready to bomb Britain into submission and they were aided by the use of radio beams which told them exactly where to drop bombs at night. Dr R V Jones of British Air Intelligence was tasked with defeating this high-tech warfare. Ingeniously, he devised counter-beams which put the Germans off target.
