Colossus: The Forbin Project
Colossus: The Forbin Project (promoted as The Forbin Project) is a 1970 American science-fiction thriller film from Universal Pictures, produced by Stanley Chase, directed by Joseph Sargent, that stars Eric Braeden, Susan Clark, Gordon Pinsent, and William Schallert. It is based upon the 1966 science-fiction novel Colossus by Dennis Feltham Jones.
Plot
Dr. Charles A. Forbin is the chief designer of a secret project, "Colossus", an advanced supercomputer built to control the United States and Allied nuclear weapon systems. Located deep within the Rocky Mountains in the United States, and powered by its own nuclear reactor and radioactive moat making access impossible, Colossus is impervious to any attack. After Colossus is fully activated, the President of the United States proudly proclaims that Colossus is "the perfect defense system".