The Mornat-class was a type of battleship fielded by the Klingon Empire during the 24th century. By the end of the Dominion War the class had been almost completely retired from general service. (Ship Recognition Manual, Volume 3: Ships of the Klingon Empire) It could be inferred that the Mornat-class battleship was one of possible successors to the QeylIS BetleH-class, given their service histories.