ISS Avenger (NX-09)

In the mirror universe the ISS Avenger (NX-09) was a NX class battlecruiser of the Terran Empire. In 2155 the Avenger was the flagship of Admiral Black and part of an assault fleet that was almost totally destroyed in a battle with rebels. Fortunatley the USS Defiant commanded by Jonathan Archer arrived and drove the rebels off with it's advanced weaponary. However, Archer planned to become Emperor and killed Black taking command of Avenger. The aliens on board lead by Soval attacked the Defiant while it was sabotaged by  Phlox, however the crew was able to restore it's systems and Avenger was destroyed. (Ent episode "In a Mirror, Darkly").