Green Beret Veteran Ray Knell embarks on a 1,000 mile expedition along the Continental Divide with Mustang Sally and two mules to seek healing for his PTSD and inspire veterans to use wilderness and the equine relationship instead of drugs or alcohol. Director Phillip Baribeau and producer Ben Masters joined Ray through Yellowstone to tell his remarkable story and to find peace from the recent suicide of a veteran co-worker. Read the blogs and see the photos here: A National Geographic Adventure Production. To get involved check out: