Klingon attack cruiser
This new class of ship is about three-fourths the length of a Galaxy-class starship. It echoes the traditional Klingon battle cruiser design, but with a foredeck protrusion and, reflecting newly shared technology with the Federation, carries Starfleet-like warp nacelles. These ships are designated as Vor'cha-class.
As with its Starfleet counterparts, it also carries a mission recorder. The explosion of one within the 15 kilometer distance from Deep Space Nine to the wormhole, briefly overpowered the station's inertial dampers.
The Mirror Universe Klingons also fly this variety of ship.