This is the opening scene to jarhead, it shows new recruits it follows one of the mens journey through the recruitment/training stage. it starts of with the drill sergeant intimidating him by talking about his father and trying to make him feel small by accusing him of being gay. this is the stage in the recruitment process where the new recruits learn to respect there senior officers, they have done the filming in as way that shows the new recruits point of view by following his journey. the scene ends by the new recruit losing his patients with the drill sergeant and answering him back this is when the drill sergeant smashes his head against a wall. The way they have filmed this opening scene is effective because it shows his different emotions and it allows you to understand his frustration toward the drill sergeant.