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) morning, CIA analyst and former Marine, Jack Ryan, after consulting with Vice Admiral James Greer, briefs government officials on "Red October" and the threat it poses. The U.S. fears Ramius plans an unauthorized nuclear strike. They also learn that the bulk of the Soviet Navy has been deployed to the Atlantic to find and sink the renegade vessel. In the briefing, Ryan hypothesizes that Ramius instead plans to defect. He is ordered to rendezvous with the "Dallas" - still searching for "Red October" since their initial detection of it - to prove his theory. Meanwhile, Tupolev, though unable to track