The Hunt for Red October meltdown. Ramius and his officers stay behind, claiming they are about to scuttle the submarine to prevent it getting into the hands of the Americans. A decommissioned U.S. ballistic missile submarine, , is blown up underwater as a deception. A depth gauge taken from the main instrument panel of "Red October" (with the appropriate serial number) is made to appear as if it had been salvaged from the wreckage. Meanwhile, Ryan, Captain Mancuso, some of his crew, and Owen Williams (a Russian-speaking British officer from "Invincible") board "Red October" and meet Ramius face-to-face. The deception efforts succeed in convincing Soviet
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