Only the mighty Yamato displaced more than the massive, yet very fast, Iowa-class battleships. The last battleship to be commissioned by the USA, USS Missouri known as the ‘Mighty Mo’ acted as venue for the Japanese surrender in WWII. Iowa-class ships saw service far beyond the Second World War and were upgraded with modern electronics, weapons systems and cruise missiles – USS Missouri was finally decommissioned in 1992 after a distinguished career.