Last voyage of USS Indianapolis

USS Indianapolis (CA-35) off Mare Island, July 10, 1945

The USS Indianapolis left Hunters Point Naval Shipyard on July 16, 1945, setting a speed record of 74-1/2 hours from San Francisco to Pearl Harbor, arriving on July 19. She was on a top-secret mission carrying the enriched uranium from Oak Ridge and other assembly parts for the “Little Boy” atomic bomb.

Indianapolis continued on to Tinian, arriving on July 26, and delivered the atomic bomb components. Continuing on to Guam for crew changes, she left on July 28 to begin sailing toward Leyte to join Task Force 95.

USS Indianapolis intended route from Guam to Philippines showing location of sinking.

On July 30, 1945, Indianapolis was truck by two torpedoes from a Japanese submarine, causing massive damage. Twelve minutes later, she sunk, taking 300 crew down with her and setting adrift over 900 crewmen.

On August 2, the survivors were spotted by Navy airplanes on a routine patrol flight. Only 316 of the remaining men survived.

USS Indianapolis memorial in Indianapolis, IN

You can visit the memorial for the USS Indianapolis located at the north end of the Canal Walk between Senate Avenue and Walnut Street. The gray and black granite memorial is outdoors and open to the public.

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