The movie follows 3 Japanese friends from embarking on Yamato, the world's largest battleship, until it's sunk 3 1/2 years later on April 7, 1945 on it's way to Okinawa to stop American adva... Read allThe movie follows 3 Japanese friends from embarking on Yamato, the world's largest battleship, until it's sunk 3 1/2 years later on April 7, 1945 on it's way to Okinawa to stop American advance at the end of WWII.The movie follows 3 Japanese friends from embarking on Yamato, the world's largest battleship, until it's sunk 3 1/2 years later on April 7, 1945 on it's way to Okinawa to stop American advance at the end of WWII.