When the squad approaches a suspected vehicle borne IED one soldier asks the other "how do you set off a car bomb?" the other soldier then radios back to the crew they have a car bomb. Standard operating procedure dictates that you do not transmit within 25 meters of a suspected IED because it could detonate it
After the post-helicopter crash shootout, the dead insurgent's leg moves. His leg is in a different position in every scene.
The ammo belts on the belt-fed weapons never move.
When the driver of the "suicide gas-tanker truck bomb" is finally killed by the soldiers, the tree seen outside the driver's side window isn't even passing by the semi - an obvious indication that the vehicle was stationary for the shooting of the scene.