The Hunt for Red October Reykjanes Ridge off Iceland. "Dallas" hears the sound of the stealth drive but does not identify it as a submarine. As tensions rise between the U.S. and Soviet fleets, the crew of "Dallas" analyzes sonar tapes of "Red October" and finally realizes that it is the sound of a new propulsion system. Meanwhile, CIA analyst and former Marine Jack Ryan, who was initially tasked to examine MI6's photographs of "Red October", finds out that the submarine's new construction variations house its stealth drive. Later putting information about Ramius's letter together with the subsequent launch of the entire Northern Fleet, Ryan
The Hunt for Red October (film) connected to 12 cables, giving precise, smooth control for turns. Computer effects, in their infancy, created bubbles and other effects such as particulates in the water. By March 1990, just before the film's theatrical release, the Soviet Parliament removed the Communist Party from government, effectively ending the Cold War. Set during this period, there were concerns that with its end, the film would be irrelevant but Neufeld felt that it "never really represented a major problem". To compensate for the change in the Soviet Union's political climate, an on-screen crawl appears at the beginning of the film stating that it