South Dakota was renamed Huron -- - in order to free up her original name for use with the projected South Dakota - class battleship , South Dakota -- - on 7 June 1920 .
South Dakota was was designated CA - 9 on 17 July 1920 .
South Dakota was renamed Huron -- - in order to free up her original name for use with the projected South Dakota - class battleship , South Dakota -- - on 7 June 1920 and was designated CA - 9 on 17 July 1920 .