ISS Imperial One

In the dark mirror universe, the ISS Imperial One was a Constitution-class starship modeled after the USS Defiant. Its construction was ordered by Emperor Tucker and Empress T'Pol due to renewed rebellion activity. The vessel is also a flagship for both the Emperor and the Empress to command the fleet to engaged in battle against both alien and Terran rebels. The Imperial One was stationed at Vulcan after the formation of the Vulcan Empire in late 2155.

In 2160, the Imperial One served as a command ship to the Terran Empire Alliance. And it is equipped with Terran, Centauran, Vulcan, Andorian, and Tellarite technology.