All 3 ships of the {{Class|Taiyou}} (Taiyou, Unyou, and Chuuyou), were initially built as '''"''Nitta Maru''-class cargo liners"''', with those ships being initially designed to eventually be converted into carriers to bypass the Naval Treaties restrictions. | All 3 ships of the {{Class|Taiyou}} (Taiyou, Unyou, and Chuuyou), were initially built as '''"''Nitta Maru''-class cargo liners"''', with those ships being initially designed to eventually be converted into carriers to bypass the Naval Treaties restrictions. |