Complex sentence: Dr. Charles A. Forbin (Eric Braeden) is the chief designer of a secret government project that has built an advanced supercomputer, called "Colossus", to control all of the United States and Allied nuclear weapons systems.
Split into simpler sentences: Dr. Charles A. Forbin (Eric Braeden) is the chief designer of a secret government project. He and his team have built an advanced supercomputer, called "Colossus", to control all of the United States and Allied nuclear weapons systems.