IKS Bortas

The IKS Bortas was a Klingon Attack Vessel used during a brief war between the Duras clan of the Klingon Empire and the rest of the Klingon Empire. Worf decided to serve on this ship for a while to aid in the fight against the Duras, and the USS Enterprise therefore decided to keep an eye on the ship to ensure Worf's safety.

The Bortas encountered several Duras ships during the war but never received more than scratches over the course of the war. Worf was eventually transferred back to the Enterprise once the conflict had settled down, and the Bortas resumed its normal duties as a patrol vessel, commanded by Worf's brother.