In Afghanistan, sometimes all that stands between coalition troops and death or serious injury is a dog. Highly trained dogs and their handlers search for improvised explosive devices or hidden weapons out on patrol with combat troops. It's a perilous job, often putting them right in the firing line, and making them high priority targets for the Taliban insurgents they're fighting.Shane Bryant, a former Australian Army dog handler, has spent the past four years in Afghanistan working with elite American special forces alongside his faithful dog. War Dogs is his story.