Because of naval reduction after WWI, some battleships were scrapped and their turrets were converted to IJA fortress guns. They were deployed as follows.
Type |
ex-Battleship |
Place |
Year |
30cm L45 |
Kashima |
Chiyogasaki, Kanagawa |
1922 |
ditto |
ditto |
Azuchi Ohshima, Nagasaki |
1929 |
ditto |
Ibuki |
Tsugaru, Aomori |
1929 |
ditto |
ditto |
Tsurumisaki, Oita |
1932 |
ditto |
Ikoma |
Sunosaki, Chiba |
1932 |
25cm L45 |
Aki |
Jogashima, Kanagawa |
1929 |
20cm L45 |
Kurama |
Daibusaki, Chiba |
1932 |
30cm L50 |
Settsu |
Tsushima |
1929 |
ditto |
ditto |
ditto |
1936 |
40cm L45 |
Tosa |
Pusan, Korea |
1934 |
ditto |
Akagi |
Tsushima |
1934 |
ditto |
ditto |
Iki, Nagasaki |
1933 |