The IKS Klothos was a D7-class, specifically of the Klolode-class, Klingon battle cruiser starship in Imperial Klingon Defense Force service in the 23rd century, operational in the early 2230s of the Nero-created alternate reality commanded by Kor. (TAS episode and novelization: "The Time Trap", DS9 episodes: "Once More Unto the Breach", "Blood Oath") Kor's ship was first named in the TAS episode "The Time Trap," and was made canon in DS9s "Once More Unto the Breach".