Drill Instructor:" If your killer instincts are not clean and strong...you will hesitate at the moment of truth! You will not kill! You will become DEAD Marines. And then you will be in a world of shit! Because Marines are NOT ALLOWED TO DIE WITHOUT PERMISSION! Do you maggots understand?" Recruits: "Sir! Yes sir!"
Hartman tells the troops to get their reflexes up so that they don't hesitate and die - without permission