Red October (fictional submarine) subs were only about 175 meters long with about a 23-meter beam. "Red October" would also have been about 5,000 tons heavier than the normal Typhoon class sub. No Soviet submarines were officially named "Red October". Only the Japanese experimental civilian boat "Yamato 1" has managed to use this type of advanced propulsion system. In the film, "Red October" appears much like a standard Typhoon-class submarine though it has a number of significant differences. The aft section of the submarine contains two ducts for the caterpillar drive. The upper rudder carries a towed sonar array which typical Typhoon-class submarines do
The Hunt for Red October (film) participated in the Pacific Fleet-supported filming. The crew of "Houston" called their month-long filming schedule the "Hunt for Red Ops." "Houston" made more than 40 emergency surfacing "blows" for rehearsal and for the cameras. Baldwin was approached in December 1988, but was not told for what role. Klaus Maria Brandauer was cast as Soviet sub commander Marko Ramius but two weeks into filming he quit due to a prior commitment. The producers faxed the script to Sean Connery who, at first, declined because the script seemed implausible in portraying the Soviet Union as an ambitious naval power. He was missing