Oblivion, a sci-fi movie directed by Joseph Kosinski, who also directed Tron: Legacy and commercials for Halo 3 and Gears of War respectively.
This movie starring Tom Cruise (Jack Harper), Olga Kurylenko (Julia), Andrea Riseborough (Victoria), and Morgan Freeman (Malcolm Beech).
The setting of Oblivion is a dystopia in 2077, where Earth had war with some aliens and the Earth was destroyed, as a result from the war.
Earth is now a desert planet, left only Jack Harper and Victoria. They stayed back to look after the drones that are patrolling the Earth to fight off aliens, the scavengers.