Sgt. Justin D. Head, animal packing course chief instructor, excercises his mustang, Hondo, shortly after grazing. The animal packing course is the only one of its kind in the department of defense and teaches Marines and other military personnel how to effectively and efficiently work with beast of burden to transport munitions, supplies and wounded personnel to and from areas inaccessible to mechanized and air transportation. The course, offered at the Marine Corps Mountain Warfare Training Center, teaches an introduction to animal packing, an anatomy of pack animals, animal packing techniques, casualty evacuation techniques, animal first aid and bivouac considerations.Photo by Sgt. Aaron Hostutler