War Machine

In Afghanistan, an unnamed Staff Sergeant arrives to help his brother's broken down convoy. His brother tries to convince him that they should apply to become Army Rangers, when they are attacked by Taliban insurgents. Everyone is killed except the Staff Sergeant, who suffers a knee injury. The Staff Sergeant tries to carry his mortally wounded brother back to base but passes out before making it. When he wakes up in the hospital, he learns that his brother had already died, but he is awarded the Silver Star.