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 eventually sold more than 365,000 copies in hardback. After securing the paperback rights to Berkley Books for $49,500, the novel sold another 4.3 million copies. The novel was adapted as a feature film, which was released in the United States on March 2, 1990, months after the Cold War ended. Captain Marko Ramius was played by Sean Connery, while Alec Baldwin played Jack Ryan. It serves as the first entry in the Jack Ryan film series, which would later follow a chronological order differing from the novels. The movie is a nearly faithful depiction of the novel even though there