The Hunt for Red October popular belief that Clancy had access to top-secret intelligence in researching for the novel, he consulted technical manuals, discussions with former submariners and books like Norman Polmar’s "Guide to the Soviet Navy" and "Combat Fleets of the World" in order to maintain accuracy in describing Soviet submarines. He then submitted the first draft of the novel to the Naval Institute Press, where he previously wrote an article on the MX missile for their magazine "Proceedings of the U.S. Naval Institute". Three weeks later, the publication company returned his manuscript, along with a request to cut about a hundred pages’ worth
The Hunt for Red October (film) participated in the Pacific Fleet-supported filming. The crew of "Houston" called their month-long filming schedule the "Hunt for Red Ops." "Houston" made more than 40 emergency surfacing "blows" for rehearsal and for the cameras. Baldwin was approached in December 1988, but was not told for what role. Klaus Maria Brandauer was cast as Soviet sub commander Marko Ramius but two weeks into filming he quit due to a prior commitment. The producers faxed the script to Sean Connery who, at first, declined because the script seemed implausible in portraying the Soviet Union as an ambitious naval power. He was missing