The DamBusters film was made in 1954 and is a British war film, set during the Second World War, and documenting the true story of the RAF's 617 Squadron, the development of the "bouncing bomb", and Operation Chastise - the attack on the Ruhr dams in Germany. It stars Michael Redgrave as Barnes Wallis, and Richard Todd as Wing Commander Guy Gibson.
The movie was based on the books The DamBusters by Paul Brickhill and Enemy Coast Ahead by Guy Gibson.
The opening of the film, with Dr. Barnes Wallis fiddling with his new idea and explaining the situation with dams to a friend.
The Lancaster's, armed with bouncing bombs, head towards the dams a very low level, they come under heavy anti-aircraft fire and are tracked by search lights.