Enterprise, I.S.S.

Star Trek: The Original Series
Episode: TOS 039 - Mirror, Mirror

Mirror universe counterpart to the U.S.S. Enterprise.

In 2267, Kirk and his away party encountered the brutal, parallel timeline when they were accidentally transported to the I.S.S. Enterprise during an ion storm. The ship, which served this universe's Terran Empire, was on a mission to conquer new worlds.