The diagnosis was terrifying: a severe traumatic brain injury from a combat wound suffered while on duty. He had lost consciousness and never woke up again. The doctors did everything they could, but hope was fading day by day.That day, the medical team made a difficult decision: if there were no signs of improvement, they would disconnect the life-support systems. The family had already been informed. Before taking that terrible step, they allowed his loyal friend — a little dog named Lari — to come into the room.