" A court martial sends a veteran soldier to a distant planet, where he has to destroy the remains of an alien race. The arrival of an unexpected traveler causes him to question what he knows about the planet, his mission, and himself. "
http://www.oblivionmovie.com/
http://www.imdb.com/title/tt1483013/
A Very Close Look At The Oblivion Trailer – Clues, References And Nods