The Hunt for Red October (film) for the rest of the motion picture. Only towards the end of the film, at the beginning of the scene in which the Soviet and American submariners meet, do some of the actors speak in Russian again. Filming in submarines was impractical. Instead, five soundstages on the Paramount backlot were used. Two platforms housing mock-ups of "Red October" and "Dallas" were built, standing on hydraulic gimbals that simulated the sub's movements. Connery recalled, "It was very claustrophobic. There were 62 people in a very confined space, 45 feet above the stage floor. It got very hot on the sets, and
The Hunt for Red October novel as "the most satisfactory novel of a sea chase since C.S. Forester perfected the form". Due to an extensive marketing campaign by the Naval Institute Press for their first published work of fiction, which was initially aimed on the military, the book sold 45,000 copies by March 1985. Clancy said in a 1991 interview: “I thought we’d sell maybe five thousand or ten thousand hardcovers and that would be the end of it. I never really thought about making money.” After Reagan's endorsement, "The Hunt for Red October" topped the national bestseller lists, particularly "The New York Times". It