Sailing across the Pacific, the battle-scarred heavy cruiser U.S.S. Indianapolis had just delivered a secret cargo that would trigger the end of World War II. Heading westward , she was sunk by a Japanese submarine. In twelve minutes, some 300 men went down with her. More than 900 others spent four horrific days and five nights in the ocean with no water to drink, savaged by a pitiless sun and swarms of sharks. Incredibly, no one knew they were there until a Navy patrol plane accidentally discovered them. In the end, only 316 crewmen survived.