In Season 3, he was the military commander in the Expanse. Following the Xindi attack on Earth in 2153, Archer becomes a changed man. No longer a congenial captain, he is now driven and determined to seek out and confront the perpetrators. Archer commits desperate, controversial acts of questionable morality to ensure a future for Earth, including , to harvest body parts to save the chief engineer and thus killing the clone, and and leaving a ship of aliens stranded in space.