The deadliest weapon in the world is a Marine and his rifle. It is your killer instinct which must be harnessed if you expect to survive in combat. Your rifle is only a tool. It is a hard heart that kills. 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 s***. Because Marines are not allowed to die without permission. Do you maggots understand?

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