The Hunt for Red October observers that "Red October" has been lost. However, GRU intelligence officer Igor Loginov, masquerading as "Red October"s cook, becomes aware of what Ramius is doing and attempts to manually detonate a missile, which will destroy "Red October". Loginov opens fire with his weapon, killing Captain Lieutenant Kamarov (the ship's navigator) and seriously wounding Ramius and Williams. Ryan tries to reason with the GRU agent, who refuses; he later kills Loginov in the submarine's missile compartment. Later, Tupolev and "V.K. Konovalov", pursuing what they initially believe is an vessel, finds that it is "Red October" based on its acoustical signature, and
The Hunt for Red October are many deviations, including "Red October" traveling up the Penobscot River in Maine to dry dock, and the "caterpillar drive" being described as a magnetohydrodynamic drive system, essentially, "a jet engine for the water". The film received mainly positive reviews from critics, holding an 87% rating from Rotten Tomatoes based on 66 reviews. It was the 6th top-grossing film of the year, generating $122 million in North America and more than $200 million worldwide in box office. In a 1991 interview, Clancy remarked of the film's success: "It was reasonably true to the spirit of the book, although the movie