On this day in history, july 30, 1945, the USS Indianapolis, was torpedoed At 0014 on 30 July, by Japanese submarine I-58 under the command of Mochitsura Hashimoto. After having delievered the parts for the Atomic bomb to Tinian on 26 July. Out of 1,196 crew, only 317 survived. Their were many reasons why so many men died from this ship, but the most famous reason was the number of shark attacks that occured.