Support WBURJapan Shows Off Largest Warship In 60 YearsBill ChappellAugust 06, 2013 ShareJapan's new warship, the Izumo, draws a crowd for its launch ceremony at the port in Yokohama Tuesday. At 248 meters (814 feet) in length, the flat-topped ship has been called a destroyer, or a helicopter carrier. (AFP/Getty Images)