Dallal's shoulder boards feature an eagle, two crossed swords, and a half wreath. This is the rank of a field marshal and was only ever worn by Saddam Hussein.
When Doug runs wounded from the chemical factory as it blows up, the "factory" behind him does not match the dimensions of the huge labyrinth of a building he was in just moments before. It happens to be only several feet taller than his body, and not more than thirty feet wide.
Some of the chemical symbols in the chemical plant are not used in the Middle East.