Powerful footage from the USS Iowa in operation In the Pacific theatre; 1944. The Iowa was the last lead ship of any class of US battleship displacing a massive 46,000 tonnes. Up until 1943 this battle ship served in the Atlantic Ocean, even carrying President Franklin D Roosevelt to a vitally important meeting with Winston Churchill and Joseph Stalin. In 1944 it was transferred to the Pacific where the fight for naval superiority was crucial in securing territory from the Japanese. It’s motto: