The stories of heroism that have come out of Iraq and Afghanistan from the combat veterans there are remarkable. They tell a tale of men and women who braved fire, and sacrificed any accord for their own safety for the men next to them. This is one of those stories.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.