Since the first Revolutionary-era militias were born, the American troop has sought to be the best-equipped, best-trained, and most effective troop ever. Weapons, munitions, food, water: The average U.S. hero can pack most of it on their body for a day off the post, or a week rucking through the mountains.
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.