It was the same size as a sturdy battleship and equipped with the same guns. Indianapolis was a lightly armored 'battle cruiser' commissioned in 1932. It was little noted then in the aftermath of victory and is scarcely remembered today. Speaking Monday to the Charlotte Harbor chapter of The Retired Officers Association, Twible recounted an event closely involved with ending World War II. To vindicate the reputation of Charles Butler McVay, Indianapolis Sunk After Delivering Atomic Bomb Indianapolis Sunk After Delivering Atomic Bomb JanuU.S.S.