The story
A British No. 617 Squadron RAF Lancaster bomber commanded by Squadron Leader C. C. Calder dropped a 22,000-pound Grand Slam bomb on the Bielefeld viaduct, breaking two spans. It was the first time the Grand Slam bomb was used in combat
There's more to discover
You have arrived at just one small part of Back to Normandy — a personal project dedicated to preserving stories, images, music and memories of the Second World War.
Every record is a doorway to a larger story. Explore Back to Normandy to discover more, or visit Fred Vogels' personal website to learn about the person and the projects behind it.