sentences:  The film is a remake of a 1959 film, which was also based on the 1957 novel by Nevil Shute, but updates the setting of the story to the film's then-future of 2006, starting with placing the crew on the fictional , USS "Charleston" (SSN-704).USS "Charleston" (SSN-704) is equipped with a caterpillar drive and is on station following a nuclear exchange, under the command of Dwight Towers.A devastating nuclear war that contaminated the northern hemisphere was preceded by a standoff between the United States and China after the latter blockaded and later invaded Taiwan.