This class consists of KEISHIN and YOSHINOGAWA MARUs, respectively completed in Apr ‘40 and Jun ’41 for different shipping companies. Both were requisitioned by the IJN, KEISHIN MARU being converted to an auxiliary gunboat and YOSHINOGAWA MARU to an auxiliary transport. Both were torpedoed and sunk by USN submarines, YOSHINOGAWA MARU in Jan ’43 and her sistership in May ‘43.
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