In the mirror universe, the IKS Gorkon was a Klingon Regent-class battle cruiser in the service of the Klingon-Cardassian Alliance during the 24th century. It was named after Regent Gorkon, who led the Alliance to victory over the Terran Republic in 2295. In 2372, Commander Klag was promoted to captain and placed in command of the vessel by Regent Worf. This surprised Klag, who expected the command to go to Worf's younger brother Captain Kurn. (KE - Mirror Universe short story: "Family Matters")