Factual error: At the beginning when the group is at the USA/Mexican border and Vasquez fires his last bullet and then tries to fire again the recoil of his gun is shown, despite being out of ammo. (00:02:20)
Revealing mistake: As the gang drives up to the space-ship diner, cars are whizzing by in the background. When they are driving to the base there's also a clip of a fire truck going down the highway in the distance.
Question: When did Lt. Mark Hammond get the scar on his face?