To avoid enlisting neo-Nazis, skinheads and other white supremacists, military recruiters are told to watch for tattoos showing barbed wire, hobnailed boots and hammers. Also to look for tattoos of lightning bolts, skulls and swastikas.
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.