2LT Stephen Parkes is about to enroll in a soldier's school. Between 1977 and 1995 its syllabus killed nine men. Graduation is anything but certain. He grabs his rifle and engages the most brutal fifty-six days of his young life; controlled starvation and sleep deprivation, a hundred pound rucksack and a five hundred mile walk. By parachute, helicopter or fast-moving jet, it's a character defining journey through dense mountain forests and high desert...