The Hunt for Red October (film) James Earl Jones in the United States Army. Baldwin and Glenn spent time on a "Los Angeles"-class submarine. Baldwin was trained to drive an attack submarine. Some extras portraying the "Dallas" crew were serving submariners, including the pilot of the DSRV, Lt Cmdr George Billy, commander of the DSRV. Submariners from San Diego were cast as extras because it was easier to hire them than to train actors. Crew from , including Lt Mark Draxton, took leave to participate in filming. According to an article in "Sea Classics", at least two sailors from the Atlantic Fleet-based "Dallas" took leave 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