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 Writers. "No one encapsulated the mindset and mentality of the Reagan era more, as the Cold War was heating up for the last time and we were entering a new age of modern warfare. Clancy's books tapped into our fears and helped define our psyches, even as he reinvigorated the thriller genre by bringing millions of new readers into the fold.” The book was instrumental in restoring confidence in the American military and government, which had endured a bitter defeat in Vietnam War and foreign policy failures during the late 1970s. The book also led to a shift in book