Revealing mistake: When they find the paper map sticking out the Iraqi soldier's bottom it is neatly rolled up and straight. One should imagine it being quite crumpled after having spent some time in this particular hiding place. (00:08:00)
Revealing mistake: When an Iraqi soldier shoots a grenade at the milk truck he aims too high to hit the truck. (00:22:35)
Revealing mistake: When Troy's torturer tells him how his son was killed by falling concrete there's a flashback where one can see that the boy is a dummy. (01:04:50)
Revealing mistake: When the castle is being attacked, Ice Cube dives away from an explosion. If you watch it in slow motion, you can see it's his stunt double. (01:22:50)
Revealing mistake: After Conrad dies, Mark Wahlberg weeps while Conrad is still visibly breathing. (01:34:05)