Young teenagers spar hand to hand.
A child vomits in the launch scene including said vomit floating in zero G.
a scene of aliens invading earth and being attacked by the military. This is shown several times.
A boy is bullied and fights with another boy. The bully is kicked repeatedly after falling to the ground.
The older brother of a boy chokes him while saying, "I could kill you right now." (He lets up before the other boy becomes unconcious)
Multiple scenes of dogfights between spaceships, fighter jets, and other vehicles.
Several explosions and spaceship firefights.