Star Trek First Contact
The Borg, the Federation’s deadliest enemy, can’t seem to get past Starfleet’s 24th century defenses to assimilate the populace of Earth. But it’s not in Borg nature to give up. Following the destruction of one of their gigantic cube ships, a small Borg sphere ship creates a temporal passage into the past. Their goal: assimilate humanity before Earth’s residents can take their first tenuous steps towards founding the United Federation of Planets.
Starfleet Engineer aboard the U.S.S. Enterprise-E in 2373. When the Borg began assimilating the ship, Porter was among those added to the Collective.