PumwI' class

The PumwI' class (English: Accuser) was a Klingon dreadnought class launched in the 2280s. By 2293 They were equipped with five warp nacelles and were among the largest ships in the Klingon Defense Force until the advent of the. Only the best Klingon captains would be given the command of such juggernaughts. However, they were slower than ships, making it rather easy for enemies to escape combat.( video games: , )

As the RIS flew across the Scovion Nebula, the crew encountered a ship of this class who was adrift in space. She was called the IJN. Her older weaponry was no match for the Bouteina's advanced tactical systems.