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Mary-Stopes Roe remembers Barnes Wallis
Barnes Wallis' daughter recalls his marble experiments when developing the bouncing bomb.
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The Dambusters 70 Years On—The Dambusters 70 Years On
Highlights from Radio 2's shows commemorating the 70th anniversary of the Dambusters raid
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Les Munro on flying the Lancaster
Duration: 08:18
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George Johnny Johnson: The last remaining Dambusters Veteran
Duration: 11:38
