Red October (fictional submarine) subs were only about 175 meters long with about a 23-meter beam. "Red October" would also have been about 5,000 tons heavier than the normal Typhoon class sub. No Soviet submarines were officially named "Red October". Only the Japanese experimental civilian boat "Yamato 1" has managed to use this type of advanced propulsion system. In the film, "Red October" appears much like a standard Typhoon-class submarine though it has a number of significant differences. The aft section of the submarine contains two ducts for the caterpillar drive. The upper rudder carries a towed sonar array which typical Typhoon-class submarines do
The Hunt for Red October deduces Ramius's plans. The U.S. military reluctantly agrees, while planning for contingencies in case the Soviet fleet has intentions other than those inferred. After it is revealed that Ramius has informed Moscow of his plan for him and his officers to defect, Ryan becomes responsible for shepherding Ramius and his vessel away from the pursuing Soviet fleet, and meets with an old Royal Navy acquaintance, Admiral John White, commanding a task force from the aircraft carrier . In order to convince the Soviets that "Red October" has been destroyed, the U.S. Navy rescues her crew after Ramius fakes a reactor