Red October (fictional submarine) the "Red October" adventure proved useful to Ryan's career. In later books, Ryan is able to use his heroism in obtaining the submarine as a lever with which to force a threatening KGB Secretary to defect to the U.S. against his will (in the novel "The Cardinal of the Kremlin"), ending the possibility of a Kremlin coup against a politically centrist Soviet government. Years later the truth of these events comes to light when political opponents of then-President Jack Ryan reveals his part in the affair. By this time in the early 1990s, the Soviet Union has collapsed and the
The Hunt for Red October Reagan had pronounced the book, which was given to him as a Christmas gift, as “the perfect yarn” and “unputdownable”; his endorsement eventually boosted the novel's sales and solidified Clancy's reputation as a bestselling author. Regarding the reception, Clancy remarked: “I was thunderstruck, dumbfounded, bowled over, amazed. But I wasn't surprised." In addition, the novel was a big hit in the White House. "The Hunt for Red October" was also popular among the military. On a 1985 visit to the , Clancy discovered 26 copies of the novel among the crew. "The Washington Post", in its original review, praised the