Hiro H4H: see extra page, can somebody read Japanese letters?
Click here to see the enlarged images to read the Japanese letters. Can you translate the text for me?
Takasago Maru: Japanese merchant, launched 1936, hospital ship WWII: date of commission/maiden voyage
Yasukuni Maru: Japanese merchant, launched 1930, later submarine supply ship: date of commission/maiden voyage
Rio de Janeiro Maru: Japanese merchant, launched 1930, later submarine supply ship: date of commission/maiden voyage