The IKS Jon'ka was a Vor'cha-class attack cruiser under the command of Captain Korbus for the Klingon Defense Force during the Kessok Incident 2378. (TNG video game: Bridge Commander) However, in 2401, a joint effort by the Iron Fang and the Dark Star Counties captured the ship as part of a Klingon convoy that also comprised a Kuhnri-class freighter and the GHS Marianela, among other ships. (Star Trek: The Stoneship Files: "At the Soapbox Races")