Oblivion (2013)

In the year 2077, after a war with alien invaders known as Scavs, Tech 49 Jack Harper questions his mission and himself when he rescues a woman from a crashed spacecraft. They discover that the alien invasion was a lie and set out to destroy the alien command center. Along the way, Jack learns the truth about his own identity as a clone and makes a self-sacrifice to destroy the Tet and deactivate the drones.