This week, I am mostly thinking about the Dam Busters and the Möhnekatastrophe.
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Vertical reconnaissance photograph of flooding following Operation Chastise. Captioned 'Frodenberg [Fröndenberg] 13 miles down stream from the Mohne Dam showing the flood water after the Dambuster raid on on 16th 17th May 1943 photo taken by F/O F G Fray in Spitfire PRX1 serial EN343 of 542 sqdn'. IBCC Digital Archive item #49975