Updated: November 21, 2025

The original Star Trek series focuses on the 23rd century adventures of Captain James T. Kirk and the U.S.S. Enterprise ( NCC-1701 ), a powerful interstellar spacecraft dispatched by Earth based Starfleet Command to explore the galaxy. Kirk commands a crew of 430 men and women aboard his starship, which can travel at speeds surpassing the speed of light. Kirk's five year mission and his mandate from Starfleet is to seek out new life and new civilizations, and to boldly go where no man has gone before.