Capable of atmospheric entry, planetary landing, and warp speed travel, the Klingon Bird of Prey is a very flexible member of the Klingon Defense Force. There are two classes of this ship,and both have been in service since at least 2286. The small ship, a B'rel-class, are scout vessels, while the K'vort-class are larger cruisers. Both class were equipped with cloaking devices and were widely deployed around the Klingon borders Due to the age of the design, many of these ships are being retired or sold to private interests.