The Hunt for Red October (film) nuclear missile submarine with a stealth "caterpillar drive", rendering it undetectable to passive sonar. Ramius leaves port to conduct exercises with attack submarine "V. K. Konovalov", commanded by his former student Captain Tupolev. Once at sea, Ramius secretly kills political officer Ivan Putin and relays false orders that they are to conduct missile drills off America's east coast. At the same time, American attack submarine "USS Dallas", tasked with identifying and shadowing Soviet subs as they leave port, detects "Red October" as it begins its mission, but immediately loses track of it once the caterpillar drive is engaged. The next
The Hunt for Red October deduces Ramius's plans. The U.S. military reluctantly agrees, while planning for contingencies in case the Soviet fleet has intentions other than those inferred. After it is revealed that Ramius has informed Moscow of his plan for him and his officers to defect, Ryan becomes responsible for shepherding Ramius and his vessel away from the pursuing Soviet fleet, and meets with an old Royal Navy acquaintance, Admiral John White, commanding a task force from the aircraft carrier . In order to convince the Soviets that "Red October" has been destroyed, the U.S. Navy rescues her crew after Ramius fakes a reactor