The Hunt for Red October vessel. It is equipped with a cutting-edge silent propulsion system, known as the caterpillar drive, that makes audio detection by passive sonar extremely difficult and enables the submarine to sneak its way into American offshore waters and launch nuclear missiles with little or no warning. As the ship leaves the shipyard at Polyarny, Ramius kills Ivan Putin, his political officer, to ensure that he will not interfere with the defection. Initially, Ramius was instructed to conduct military exercises with Soviet attack submarine "V. K. Konovalov", commanded by his former student Viktor Tupolev, for the purpose of testing the effectiveness of
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