IKS Korinar
The IKS Korinar was a Klingon Bird-of-Prey that was in service with the Klingon Defense Force in the late 24th century. 

The Korinar warned the runabout  away from investigating an apparent explosion of a cloaked object in 2372, claiming that the Klingons were conducting military exercises. The Korinar was in fact participating in a Klingon effort to mine the Bajoran system. ()

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Korinar