The ISS Enterprise crosses over to the Federation universe

In the Mirror Universe, the ISS Enterprise NCC-1701, under the command of Captain James T. Kirk, prepared to cross over to the Federation universe. The ISS Enterprise wanted to attack and invade the United Federation of Planets. The ISS Enterprise opened a dimensional vortex and crossed over to the Federation universe. The mirror universe Kirk had waited 15 years to attack the peace-loving Federation and conquer it for the glory of the Terran Empire.