Seventy years ago, a daring World War II raid immortalised the RAF's 617 Squadron as the "Dambusters". Using a specially developed bouncing bomb, the squadron managed to breach two dams in Germany.

Operation Chastise, as the Dambusters’ May 1943 bouncing bomb attack on the Möhne, Eder and Sorpe dams was officially called, was a heroic example of precision bombing by the Royal Air Force (RAF). It ...