- For the primary universe counterpart, see IKS Kronos One.
In the mirror universe, the IKS Kronos One was a Klingon K'tinga-class battle cruiser starship in service to the Klingon Alliance. (TOS video game: Shattered Universe)
In 2293, the Kronos One participated in a battle against the Terran Empire and their superweaopn, a planet killer. The Kronos One was one of several ships sacrifices to save Qo'noS from destruction, and was lost with all hands. (TOS video game: Shattered Universe mission: "From Hell's Heart")