Complex sentence: The passenger river motor ship (riverboat) "Komdiv Gay" (Комдив Гай, 1963) bears his name, although according to his rank, it should be "Komkor Gay", as Gay was a Commander of Corps.
Split into simpler sentences: The passenger river motor ship (riverboat) "Komdiv Gay" (Комдив Гай, 1963) bears his name. But it must be "Komkor Gay", as Gay was a Commander of Corps.