Operation Catechism was a British air raid of World War II that resulted in the final destruction of the fearsome German battleship Tirpitz. As one of the most powerful battleships in the world at the time, the Tirpitz represented a lethal threat to the Atlantic shipping convoys that kept Britain supplied with food, weapons and materials.
On the night of 12th November 1944 when specially adapted Lancaster bombers of the RAF’s elite 617 and 9 Squadrons attacked Tirpitz in a remote fjord near Tromsø in Norway.
