Iowa is a battleship that puts the modernity and free-spirited atmosphere of the US Navy at the forefront, giving a distinctly different impression from traditional ship girls. Her star-shaped pupils, active attire, and confident posture visually convey her setting as a state-of-the-art battleship. Her personality is generally bold and honest, openly showing pride in her performance and combat power. She doesn't stand on excessive ceremony with the Admiral, possessing a social side that treats them with the friendliness of a comrade. She calls the player "Admiral."