ISS Ruthless

In the mirror universe, the ISS Ruthless (NCC-1855) was an Terran Empire cruiser starship in Imperial Starfleet service in the late 23rd century.

During the reported 2293 rebellion of Captain $𝜇$ and the, which in actuality was Captain Sulu and USS Excelsior (NCC-2000) crew from the counterpart universe, the Ruthless was dispatched along with the to apprehend the Excelsior and its escorts,  and the  at the K'ath protostar. Both Miranda-class ships were destroyed in the ensuing battle.