The Hunt for Red October (film) unclassified sections of both and to use in set and prop design. was used for the scene in which Baldwin is dropped from a helicopter to the submarine. Key cast and crew members rode along in subs, including Alec Baldwin and Scott Glenn, who took an overnight trip aboard the commanded by then Commander Thomas B. Fargo. Glenn based his portrayal of Commander Bart Mancuso on Fargo. Some of the principal cast had previous military service which they drew on for their roles. Sean Connery had served in the Royal Navy, Scott Glenn in the United States Marine Corps 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