In addition to novels, Jack Ryan has also previously appeared in five big-screen movie adaptations: "The Hunt for Red October" "Patriot Games" "Clear and Present Danger" "The Sum of All Fears ...

The Russians also play games and deceive the United States Navy in The Hunt for Red October, just as Cardassia's Obsidian Order hides ... recast for the Jack Ryan sequel films.

Jack Ryan investigates a secret plan to restore the Soviet Empire through war, embarking on a dangerous op with the help of Rome Station Chief Elizabeth Wright and Head of Russia House James Greer.