Factual error: The Iraqi gunship helicopter attacking the group at the castle is an MD 500 Defender. However, Iraq has never owned or operated these helicopters.
Continuity mistake: When George Clooney is pointing his pistol at a guard in the bunker, the hammer is already cocked back (single action), but in the next shot, the hammer is down (double action) and he cocks it again.
Factual error: When Gates, Barlow, Elgin, and Vig are leaving the village after the milk truck explosion, they give the people MREs. However, the MREs they are passing out are 1996 designed packages. From 1981 until 1995, MREs had a dark brown bag while ones produced from 1996 and current are tan.