Kelirax class

The Kelirax-class was a type of scout that entered service with the Klingon Defense Force in 2372. The Kelirax resembled an elongated Bird of Prey, the wings of the vessel were adjusted to improve the efficiency of its shields and cloaking device. 

A Kelirax was part of the force deployed by the Klingon Third Battlegroup to assault the Korvat system in 2373 as part of the Second Federation-Klingon War.