sentences:  In a panic, humans try to shut down Skynet, which then defends itself against them.Skynet launches a nuclear attack against Russia, correctly surmising that the country would launch a retaliatory strike against the United States, resulting in Judgment Day.Sarah and a young John, together with a second Terminator from the future (this one reprogrammed and sent by the future John Connor), raid Cyberdyne Systems and succeed in destroying the CPU and arm of the first movie's Terminator, along with the majority of research that led to Skynet's development.