 The <unk> @-@ class battleships ( <unk> , <unk> @-@ <unk> <unk> ) were a pair of dreadnought battleships built for the Imperial Japanese Navy ( <unk> ) during World War I. Originally intended to be repeats of the preceding <unk> class , they were redesigned before construction began . Both ships carried supplies for the survivors of the Great <unk> earthquake in 1923 . They were modernized in 1934 – 37 with improvements to their armour and machinery and a rebuilt superstructure in the pagoda mast style . Afterwards they played a minor role in the Second <unk> @-@ Japanese War . 
