Their eyes were painted in the eerie green glow of the night vision devices suspended in front of their faces — their breath visibly faded into the cold night air with each exhalation. They moved nimbly, silently over rocks and through dry river beds. The men in the column were in peak condition; they needed to be, as their every step was burdened by ammunition, grenades, explosives, and protective gear.
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.