. . . "Operation Chastise was an attack on German dams carried out on 16\u201317 May 1943 by Royal Air Force No. 617 Squadron, subsequently publicised as the \"Dam Busters\", using a specially developed \"bouncing bomb\" invented and developed by Sir Barnes Wallis. The M\u00F6hne and Edersee Dams were breached, causing catastrophic flooding of the Ruhr valley and of villages in the Eder valley; the Sorpe dam sustained only minor damage. Two hydroelectric power stations were destroyed and several more were damaged."@en . . "Major British success from long term effects" . "3 aircrew taken prisoner." . "19Lancasterbombers" . "Germany" . "53 aircrew killed," . . . "(Defending three dams)" . "1943-05-17Z"^^ . "8 aircraft shot down," . . . "XII. Fliegerkorps" . "Operation Chastise"@en . "United Kingdom" . .