It's early. The horses and mules need feeding. It's going to be a long day up on the mountain. There's a new group of guys in and they look pretty clueless. It's going to take some time to get them trained up. What may seem like a typical day in the life of a ranch hand is actually a day in the life of Sgt. Justin Head, a Marine whose piece of the Corps is to teach Marines a tactic that predates the Marine Corps by more than 1,000 years...Animal Packing.