Duras's Bird-of-Prey was a 22nd century Klingon Bird-of-Prey commanded by Duras, son of Toral following his demotion as commander of the IKS Bortas.
History[]
In mid-2153, Duras was given command of this Bird-of-Prey and assigned to capture Jonathan Archer, the captain of the Enterprise. Although his ship outgunned Enterprise during its first attack as the latter ship approached the Sol system, it proved no match for a squadron of three United Earth Starfleet vessels, including the SS Intrepid.
Months later, Duras launched a second attack against Enterprise as it traveled from Earth to Vulcan. However, by then Enterprise had been upgraded with stronger hull plating and photonic torpedoes, and proved to be an even match against Duras's lone vessel.
Finally, Duras gathered the assistance of two other Birds-of-Prey to launch a third attack against Enterprise at the edges of the Delphic Expanse. This time, Enterprise managed to evade the attack by entering the Expanse, something which Duras was willing to risk, but the other ship captains were not. Enterprise destroyed Duras's vessel by performing an L-4 maneuver to attack the other ship's undefended rear. (ENT episode: "The Expanse")