'' Mutsu '' was the second and last dreadnought battleship built for the Imperial Japanese Navy ( IJN ) at the end of World War I . It was named after the province , In 1923 she carried supplies for the survivors of the Great Kantō earthquake . The ship was modernized in 1934 – 1936 with improvements to her armour and machinery , and a rebuilt superstructure in the pagoda mast style
Great Kantō earthquake
1923 Great Kantō earthquake
Japanese battleship Mutsu