"You see some of that in the original film but there are many more of & # 39; what happened and how it & # 39; interesting story such as the Self-violence."
JAckson bought the rights to the best-seller & # 39; James Holland, Dam Busters: The Race to Smash the-Dams, which includes declassified information that was not available in 50 years.
Holland is credited as historical consultant on the project. He said: "The whole science & # 39; it was kept secret in the 1950s. What had actually been dropping weight deep, not bouncing bomb.
"The idea is to win, hit the dam wall, rolled until dissipate to some extent, then a fuse time to time that was lost is exploding. And in the boom time is the amount correct & # 39; depth to create this pressure weight of water & # 39; above it, which exacerbates the boom and do enough damage.
"In the movie you see them in low and everything flying looks like fun. But the whole process & # 39; getting deep into the heart of Germany at night in & # 39; widespread disease & # 39; of & # 39, 102 feet, 30 tons b & # 39; four & # 39; tunelli rotating underneath it is almost impossible and [in the film] None of this comes & # 39 ;. "