A new, full-length trailer for District 9 is finally here and it reveals a ton. A race of aliens trapped on Earth, their ship hovering over a segregated area of South Africa, have refused to share the secrets of their weapon technology with humans. The humans refuse to integrate them into society. And then one man gets exposed to their chemicals and begins to learn their secrets. Suffice it to say, this trailer is awesome. Check it out after the jump.