The military is a strange institution. It must be on the cutting edge of innovation and change in order to win the nation’s wars. If it falls behind, even for a moment, the costs can be immense. In some cases, it even leads social change when it serves military goals — the military was at the forefront of civil rights when it integrated blacks in 1948.
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.