On 30 July 1945 , after delivering parts for the first atomic bomb to the United States air base at Tinian , the ship was torpedoed by the Imperial Japanese Navy submarine `` I-58 '' , sinking in 12 minutes .
On 30 July 1945 , after delivering parts for the first atomic bomb to the United States air base at Tinian , the ship was torpedoed by the Imperial Japanese Navy submarine `` I-58 '' . It sank in 12 minutes .