The No.1-class submarine (第一型潜水艦, Daiichi-gata sensuikan) was the first class submarines of the Imperial Japanese Navy. Consisting of five vessels, these submarines were modified Holland-class vessels built in the United States.
The No.1-class submarine (第一型潜水艦, Daiichi-gata sensuikan) was the first class submarines of the Imperial Japanese Navy. Consisting of five vessels, these submarines were modified Holland-class vessels built in the United States. (en)
Le Type 1 (第一型潜水艦, Daiichi-gata sensuikan) est la première classe de sous-marins japonais. Elle est composée de cinq vaisseaux, des sous-marins de la classe Holland modifiés, construits aux États-Unis. (fr)