"Crimson Tide" is a 1995 American thriller film directed by Tony Scott. The story revolves around a U.S. Navy submarine, the USS Alabama, during a tense standoff with Russia. When the submarine receives an order to launch nuclear missiles, a conflict arises between the commanding officer, Captain Frank Ramsey, and his executive officer, Lieutenant Commander Ron Hunter, over the legitimacy of the order. The film explores themes of loyalty, duty, and the moral dilemmas faced by military personnel. It features a strong cast, including Denzel Washington and Gene Hackman, and is known for its suspenseful plot and intense performances.