The captain of Earth's first warp-five ship.
Jonathan Archer is the captain of the first Enterprise, NX-01, in the series Enterprise, set a century before Kirk's era. As Earth's first warp-five starship captain, he carries the weight of humanity's first deep-space steps, often making decisions without the benefit of established Starfleet protocol.
His tenure involves tense relations with the Vulcans, who counsel caution, and a friendship with the Vulcan officer T'Pol that deepens over time. His beagle Porthos is a constant companion. He faces a temporal cold war, a devastating attack on Earth and the struggle to unite several species against a common threat, culminating in the early steps toward the Federation.
Archer is remembered as a more impulsive and sometimes controversial captain than those who follow, a pioneer who learns on the job. His diplomacy helps lay the groundwork for the alliance that will later define Starfleet.