Amid the euphoria that followed the Dambusters raid in May 1943 was the sober realisation that the RAF had paid a high price. Fifty three airmen were killed, among them most of Charlie Crew.
Miraculously, one survived - rear gunner Fred Tees from Sussex. Correspondent Derek Johnson travelled to Germany with his nephew to find the crew and Fred's final resting place.
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Friday evening's weather for the East of the region
The latest weather in the west of the region presented by Aidan McGivern.
The latest weather in the East of the region presented by Aidan McGivern.