In order to sort out the clues

Follow Blake's memories to Iraq nine months ago, in the armored car received orders to get out and follow his teammates, and rendezvous with friendly forces to listen to him talk about the situation, the task is to rescue the Marines. Move with the squad members, go through a school to the street, and then split up in groups of two, rendezvous in a parking lot, to the parking lot after the teammate was wounded by a distant sniper, according to the button prompts on the screen to drag him back to the room behind the bunker, and then take out the enemy outside.