Watch Churchills Bodyguard online: Episode 8 Attack at the Flying Boat Dock

The entry of the United States into World War II meant an enormous increase in responsibility for Winston Churchill's bodyguard Walter Thompson. For the next three and a half years the two men were to travel almost 200,000 miles visiting the battle fronts and attending high-level conferences. Very soon, Winston was to come within seconds of assassination by a lone gunman.

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