Qugh class
The Qugh class was a type of destroyer used by the Klingon Empire during the mid-23rd century.

History
Several vessels of this class fought in the  of 2256-57, starting with the Battle of the Binary Stars in 2256. Later that year, a destroyer was part of a fleet that ambushed the . Despite intervention by the , the Klingons were successful in destroying the Gagarin. ()

As the war dragged into 2257, a Qugh-class vessel was part of the armada that gathered to attack Earth, however it disengaged when it received word that the war was over. ()

Klingon starship classes