Grant it, words cannot describe the physical fitness and extreme human performance demands of work in the military during combat or training missions. Physical fitness testing is just the beginning of what can become a prolonged test of the real deal.
Video from Fallujah, Iraq November/December 2004 WARNING: Graphic Military Combat Video).
We’ll understate the human performance issues anyway: Military work involves endurance, vigilance, power, speed, flexibility, strength and much more.