Fo r David Goggins, childhood was a nightmare -- poverty, prejudice, a nd physical abuse colo r ed his days a nd haunted his nights. But through self-discipline, mental toughness, a nd hard wo r k, Goggins transfo r med himself fr om a depressed, overweight young man with no future into a U.S. Armed Fo r ces icon a nd one of the wo r ld's top endurance athletes. The only man in histo r y to complete elite training as a Navy SEAL, Army Ranger, a nd Air Fo r ce Tactical Air Controller, he went on to set reco r ds in numerous endurance events, inspiring Outside magazine to name him ",The Fittest (Real) Man in America",.