The Hunt for Red October (1990)

This movie tells the story of Captain Marko Ramius (Sir Sean Connery), the skipper of the Soviet Union's newest nuclear submarine, the "Red October." Jack Ryan (Alec Baldwin) of the C.I.A. gets involved in a tense, tangled hunt for this sub, when Ramius defects, taking the "Red October" with him. The story is an action packed techno-thriller.