The black SUV driven by the 2 FBI agents starts as a Ford Expedition, then changes to a Chevy Tahoe, then to a Lincoln Navigator all within 5 minutes.
Meteor trails are either parallel or radiant. The meteor trails depicted in this movie could never occur in nature.
In space, meteors or meteor fragments are spoken of as "meteors." They are not denoted meteorites until they strike the earth's surface.
On the soldier pictured in multiple scenes, the crest on his right soldier is positioned incorrectly. It should be 'backwards,' facing front to back, as if blown by the wind from his front.
In the 12th minute, the generic ambulance has no identification - no bus number, no name (i.e., Toronto Ambulance Service).
When they show the chopper after they enter L.A., it is in fact a medical helicopter from Miami.