In the poster, the American flag on Luke Gross' shoulder has the stars facing to the left. Although this is how we would normally think of the flag as appearing, an American flag always has the stars pointing towards the more important side of whatever it is on. On uniforms, the American flag always has the stars facing toward the front of the uniform, or on the right side as we would see it.
Moments after Jeremy is almost decapitated by the big rig truck, he and his partner Howard go to search the vehicle. Jeremy's partner stands back while Jeremy struggles in agony), to climb in to the vehicle. Surely, if Howard had an ounce of common sense, he would of told Jeremy to just relax for a moment while he investigated himself. Shortly after, Howard allows Jeremy to drive again.